Home / 891,526.92-1,337,640.66-392,541

Finding the Fourth Proportional to 891,526.92, 1,337,640.66 and 392,541

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Solution

The fourth proportional to 891,526.92, 1,337,640.66 and 392,541 is: 588,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,526.92 : 1,337,640.66 = 392,541 : x
  2. Step 2: Convert to fraction form
    891,526.92/1,337,640.66 = 392,541/x
  3. Step 3: Cross multiply
    891,526.92x = 1,337,640.66 × 392,541
  4. Step 4: Simplify right side
    891,526.92x = 525,078,802,317.06
  5. Step 5: Solve for x
    x = 525,078,802,317.06/891,526.92
  6. Step 6: Final answer
    x = 588,965.73

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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.