Home / 669,016.21-923,208.69-397,095.97

Finding the Fourth Proportional to 669,016.21, 923,208.69 and 397,095.97

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Solution

The fourth proportional to 669,016.21, 923,208.69 and 397,095.97 is: 547,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,016.21 : 923,208.69 = 397,095.97 : x
  2. Step 2: Convert to fraction form
    669,016.21/923,208.69 = 397,095.97/x
  3. Step 3: Cross multiply
    669,016.21x = 923,208.69 × 397,095.97
  4. Step 4: Simplify right side
    669,016.21x = 366,602,450,267.98
  5. Step 5: Solve for x
    x = 366,602,450,267.98/669,016.21
  6. Step 6: Final answer
    x = 547,972.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 669,017.21, 923,210.07 and 397,096.97
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.