Home / 623,129.41-934,694.12-149,814.77

Finding the Fourth Proportional to 623,129.41, 934,694.12 and 149,814.77

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Solution

The fourth proportional to 623,129.41, 934,694.12 and 149,814.77 is: 224,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,129.41 : 934,694.12 = 149,814.77 : x
  2. Step 2: Convert to fraction form
    623,129.41/934,694.12 = 149,814.77/x
  3. Step 3: Cross multiply
    623,129.41x = 934,694.12 × 149,814.77
  4. Step 4: Simplify right side
    623,129.41x = 140,030,984,608.15
  5. Step 5: Solve for x
    x = 140,030,984,608.15/623,129.41
  6. Step 6: Final answer
    x = 224,722.16

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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.