Home / 744,464.80-1,116,697.20-576,503.20

Finding the Fourth Proportional to 744,464.80, 1,116,697.20 and 576,503.20

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Solution

The fourth proportional to 744,464.80, 1,116,697.20 and 576,503.20 is: 864,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,464.80 : 1,116,697.20 = 576,503.20 : x
  2. Step 2: Convert to fraction form
    744,464.80/1,116,697.20 = 576,503.20/x
  3. Step 3: Cross multiply
    744,464.80x = 1,116,697.20 × 576,503.20
  4. Step 4: Simplify right side
    744,464.80x = 643,779,509,231.04
  5. Step 5: Solve for x
    x = 643,779,509,231.04/744,464.80
  6. Step 6: Final answer
    x = 864,754.80

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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.