Home / 755,416.92-1,042,472.52-415,885.44

Finding the Fourth Proportional to 755,416.92, 1,042,472.52 and 415,885.44

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Solution

The fourth proportional to 755,416.92, 1,042,472.52 and 415,885.44 is: 573,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,416.92 : 1,042,472.52 = 415,885.44 : x
  2. Step 2: Convert to fraction form
    755,416.92/1,042,472.52 = 415,885.44/x
  3. Step 3: Cross multiply
    755,416.92x = 1,042,472.52 × 415,885.44
  4. Step 4: Simplify right side
    755,416.92x = 433,549,142,668.11
  5. Step 5: Solve for x
    x = 433,549,142,668.11/755,416.92
  6. Step 6: Final answer
    x = 573,920.35

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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.