Home / 936,487.12-1,403,505.96-375,915.28

Finding the Fourth Proportional to 936,487.12, 1,403,505.96 and 375,915.28

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Solution

The fourth proportional to 936,487.12, 1,403,505.96 and 375,915.28 is: 563,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,487.12 : 1,403,505.96 = 375,915.28 : x
  2. Step 2: Convert to fraction form
    936,487.12/1,403,505.96 = 375,915.28/x
  3. Step 3: Cross multiply
    936,487.12x = 1,403,505.96 × 375,915.28
  4. Step 4: Simplify right side
    936,487.12x = 527,599,335,935.07
  5. Step 5: Solve for x
    x = 527,599,335,935.07/936,487.12
  6. Step 6: Final answer
    x = 563,381.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.