Home / 669,521.17-923,936.25-363,595.15

Finding the Fourth Proportional to 669,521.17, 923,936.25 and 363,595.15

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Solution

The fourth proportional to 669,521.17, 923,936.25 and 363,595.15 is: 501,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,521.17 : 923,936.25 = 363,595.15 : x
  2. Step 2: Convert to fraction form
    669,521.17/923,936.25 = 363,595.15/x
  3. Step 3: Cross multiply
    669,521.17x = 923,936.25 × 363,595.15
  4. Step 4: Simplify right side
    669,521.17x = 335,938,739,409.19
  5. Step 5: Solve for x
    x = 335,938,739,409.19/669,521.17
  6. Step 6: Final answer
    x = 501,759.70

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Half scale
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Double scale
Find fourth proportional to 669,522.17, 923,937.63 and 363,596.15
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.