Home / 637,432.08-956,139.48-217,001.04

Finding the Fourth Proportional to 637,432.08, 956,139.48 and 217,001.04

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Solution

The fourth proportional to 637,432.08, 956,139.48 and 217,001.04 is: 325,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,432.08 : 956,139.48 = 217,001.04 : x
  2. Step 2: Convert to fraction form
    637,432.08/956,139.48 = 217,001.04/x
  3. Step 3: Cross multiply
    637,432.08x = 956,139.48 × 217,001.04
  4. Step 4: Simplify right side
    637,432.08x = 207,483,261,545.06
  5. Step 5: Solve for x
    x = 207,483,261,545.06/637,432.08
  6. Step 6: Final answer
    x = 325,498.62

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.