Home / 824,553.60-1,236,700.80-291,998.40

Finding the Fourth Proportional to 824,553.60, 1,236,700.80 and 291,998.40

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Solution

The fourth proportional to 824,553.60, 1,236,700.80 and 291,998.40 is: 437,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,553.60 : 1,236,700.80 = 291,998.40 : x
  2. Step 2: Convert to fraction form
    824,553.60/1,236,700.80 = 291,998.40/x
  3. Step 3: Cross multiply
    824,553.60x = 1,236,700.80 × 291,998.40
  4. Step 4: Simplify right side
    824,553.60x = 361,114,654,878.72
  5. Step 5: Solve for x
    x = 361,114,654,878.72/824,553.60
  6. Step 6: Final answer
    x = 437,951.70

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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.