Home / 669,284.49-923,612.59-363,360.86

Finding the Fourth Proportional to 669,284.49, 923,612.59 and 363,360.86

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Solution

The fourth proportional to 669,284.49, 923,612.59 and 363,360.86 is: 501,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,284.49 : 923,612.59 = 363,360.86 : x
  2. Step 2: Convert to fraction form
    669,284.49/923,612.59 = 363,360.86/x
  3. Step 3: Cross multiply
    669,284.49x = 923,612.59 × 363,360.86
  4. Step 4: Simplify right side
    669,284.49x = 335,604,665,009.23
  5. Step 5: Solve for x
    x = 335,604,665,009.23/669,284.49
  6. Step 6: Final answer
    x = 501,437.98

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Double scale
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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.