Home / 744,465.30-1,116,697.95-576,503.70

Finding the Fourth Proportional to 744,465.30, 1,116,697.95 and 576,503.70

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Solution

The fourth proportional to 744,465.30, 1,116,697.95 and 576,503.70 is: 864,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,465.30 : 1,116,697.95 = 576,503.70 : x
  2. Step 2: Convert to fraction form
    744,465.30/1,116,697.95 = 576,503.70/x
  3. Step 3: Cross multiply
    744,465.30x = 1,116,697.95 × 576,503.70
  4. Step 4: Simplify right side
    744,465.30x = 643,780,499,957.42
  5. Step 5: Solve for x
    x = 643,780,499,957.42/744,465.30
  6. Step 6: Final answer
    x = 864,755.55

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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.