Home / 623,128.32-934,318.12-243,597.02

Finding the Fourth Proportional to 623,128.32, 934,318.12 and 243,597.02

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Solution

The fourth proportional to 623,128.32, 934,318.12 and 243,597.02 is: 365,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,128.32 : 934,318.12 = 243,597.02 : x
  2. Step 2: Convert to fraction form
    623,128.32/934,318.12 = 243,597.02/x
  3. Step 3: Cross multiply
    623,128.32x = 934,318.12 × 243,597.02
  4. Step 4: Simplify right side
    623,128.32x = 227,597,109,764.00
  5. Step 5: Solve for x
    x = 227,597,109,764.00/623,128.32
  6. Step 6: Final answer
    x = 365,249.18

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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.