Home / 755,567.38-1,042,364.73-500,475.70

Finding the Fourth Proportional to 755,567.38, 1,042,364.73 and 500,475.70

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Solution

The fourth proportional to 755,567.38, 1,042,364.73 and 500,475.70 is: 690,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,567.38 : 1,042,364.73 = 500,475.70 : x
  2. Step 2: Convert to fraction form
    755,567.38/1,042,364.73 = 500,475.70/x
  3. Step 3: Cross multiply
    755,567.38x = 1,042,364.73 × 500,475.70
  4. Step 4: Simplify right side
    755,567.38x = 521,678,217,902.06
  5. Step 5: Solve for x
    x = 521,678,217,902.06/755,567.38
  6. Step 6: Final answer
    x = 690,445.66

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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.