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Finding the Fourth Proportional to 804,666.80, 1,207,000.20 and 792,225.20

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Solution

The fourth proportional to 804,666.80, 1,207,000.20 and 792,225.20 is: 1,188,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,666.80 : 1,207,000.20 = 792,225.20 : x
  2. Step 2: Convert to fraction form
    804,666.80/1,207,000.20 = 792,225.20/x
  3. Step 3: Cross multiply
    804,666.80x = 1,207,000.20 × 792,225.20
  4. Step 4: Simplify right side
    804,666.80x = 956,215,974,845.04
  5. Step 5: Solve for x
    x = 956,215,974,845.04/804,666.80
  6. Step 6: Final answer
    x = 1,188,337.80

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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.