Home / 755,557.94-1,042,688.64-411,412.73

Finding the Fourth Proportional to 755,557.94, 1,042,688.64 and 411,412.73

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Solution

The fourth proportional to 755,557.94, 1,042,688.64 and 411,412.73 is: 567,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,557.94 : 1,042,688.64 = 411,412.73 : x
  2. Step 2: Convert to fraction form
    755,557.94/1,042,688.64 = 411,412.73/x
  3. Step 3: Cross multiply
    755,557.94x = 1,042,688.64 × 411,412.73
  4. Step 4: Simplify right side
    755,557.94x = 428,975,376,251.74
  5. Step 5: Solve for x
    x = 428,975,376,251.74/755,557.94
  6. Step 6: Final answer
    x = 567,759.73

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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.