Home / 649,333.70-974,000.55-531,235.70

Finding the Fourth Proportional to 649,333.70, 974,000.55 and 531,235.70

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Solution

The fourth proportional to 649,333.70, 974,000.55 and 531,235.70 is: 796,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,333.70 : 974,000.55 = 531,235.70 : x
  2. Step 2: Convert to fraction form
    649,333.70/974,000.55 = 531,235.70/x
  3. Step 3: Cross multiply
    649,333.70x = 974,000.55 × 531,235.70
  4. Step 4: Simplify right side
    649,333.70x = 517,423,863,979.64
  5. Step 5: Solve for x
    x = 517,423,863,979.64/649,333.70
  6. Step 6: Final answer
    x = 796,853.55

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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.