Home / 649,641.11-974,218.97-223,055.83

Finding the Fourth Proportional to 649,641.11, 974,218.97 and 223,055.83

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Solution

The fourth proportional to 649,641.11, 974,218.97 and 223,055.83 is: 334,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,641.11 : 974,218.97 = 223,055.83 : x
  2. Step 2: Convert to fraction form
    649,641.11/974,218.97 = 223,055.83/x
  3. Step 3: Cross multiply
    649,641.11x = 974,218.97 × 223,055.83
  4. Step 4: Simplify right side
    649,641.11x = 217,305,216,623.18
  5. Step 5: Solve for x
    x = 217,305,216,623.18/649,641.11
  6. Step 6: Final answer
    x = 334,500.41

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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.