Home / 677,146.91-934,456.76-371,217.72

Finding the Fourth Proportional to 677,146.91, 934,456.76 and 371,217.72

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Solution

The fourth proportional to 677,146.91, 934,456.76 and 371,217.72 is: 512,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,146.91 : 934,456.76 = 371,217.72 : x
  2. Step 2: Convert to fraction form
    677,146.91/934,456.76 = 371,217.72/x
  3. Step 3: Cross multiply
    677,146.91x = 934,456.76 × 371,217.72
  4. Step 4: Simplify right side
    677,146.91x = 346,886,910,925.98
  5. Step 5: Solve for x
    x = 346,886,910,925.98/677,146.91
  6. Step 6: Final answer
    x = 512,277.19

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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.