Home / 649,814.20-974,721.30-176,558.20

Finding the Fourth Proportional to 649,814.20, 974,721.30 and 176,558.20

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Solution

The fourth proportional to 649,814.20, 974,721.30 and 176,558.20 is: 264,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,814.20 : 974,721.30 = 176,558.20 : x
  2. Step 2: Convert to fraction form
    649,814.20/974,721.30 = 176,558.20/x
  3. Step 3: Cross multiply
    649,814.20x = 974,721.30 × 176,558.20
  4. Step 4: Simplify right side
    649,814.20x = 172,095,038,229.66
  5. Step 5: Solve for x
    x = 172,095,038,229.66/649,814.20
  6. Step 6: Final answer
    x = 264,837.30

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Half scale
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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.