Home / 953,285.60-1,315,557.12-523,575.20

Finding the Fourth Proportional to 953,285.60, 1,315,557.12 and 523,575.20

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Solution

The fourth proportional to 953,285.60, 1,315,557.12 and 523,575.20 is: 722,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,285.60 : 1,315,557.12 = 523,575.20 : x
  2. Step 2: Convert to fraction form
    953,285.60/1,315,557.12 = 523,575.20/x
  3. Step 3: Cross multiply
    953,285.60x = 1,315,557.12 × 523,575.20
  4. Step 4: Simplify right side
    953,285.60x = 688,793,082,215.42
  5. Step 5: Solve for x
    x = 688,793,082,215.42/953,285.60
  6. Step 6: Final answer
    x = 722,546.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.