Home / 572,387.50-789,896.33-314,281.17

Finding the Fourth Proportional to 572,387.50, 789,896.33 and 314,281.17

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Solution

The fourth proportional to 572,387.50, 789,896.33 and 314,281.17 is: 433,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,387.50 : 789,896.33 = 314,281.17 : x
  2. Step 2: Convert to fraction form
    572,387.50/789,896.33 = 314,281.17/x
  3. Step 3: Cross multiply
    572,387.50x = 789,896.33 × 314,281.17
  4. Step 4: Simplify right side
    572,387.50x = 248,249,541,076.32
  5. Step 5: Solve for x
    x = 248,249,541,076.32/572,387.50
  6. Step 6: Final answer
    x = 433,708.88

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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.