Home / 755,566.38-1,042,363.35-500,474.70

Finding the Fourth Proportional to 755,566.38, 1,042,363.35 and 500,474.70

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Solution

The fourth proportional to 755,566.38, 1,042,363.35 and 500,474.70 is: 690,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,566.38 : 1,042,363.35 = 500,474.70 : x
  2. Step 2: Convert to fraction form
    755,566.38/1,042,363.35 = 500,474.70/x
  3. Step 3: Cross multiply
    755,566.38x = 1,042,363.35 × 500,474.70
  4. Step 4: Simplify right side
    755,566.38x = 521,676,484,882.25
  5. Step 5: Solve for x
    x = 521,676,484,882.25/755,566.38
  6. Step 6: Final answer
    x = 690,444.28

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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.