Home / 749,358.91-1,034,121.13-413,707.39

Finding the Fourth Proportional to 749,358.91, 1,034,121.13 and 413,707.39

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Solution

The fourth proportional to 749,358.91, 1,034,121.13 and 413,707.39 is: 570,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,358.91 : 1,034,121.13 = 413,707.39 : x
  2. Step 2: Convert to fraction form
    749,358.91/1,034,121.13 = 413,707.39/x
  3. Step 3: Cross multiply
    749,358.91x = 1,034,121.13 × 413,707.39
  4. Step 4: Simplify right side
    749,358.91x = 427,823,558,501.24
  5. Step 5: Solve for x
    x = 427,823,558,501.24/749,358.91
  6. Step 6: Final answer
    x = 570,919.42

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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.