Home / 415,827.20-623,740.80-149,596.40

Finding the Fourth Proportional to 415,827.20, 623,740.80 and 149,596.40

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Solution

The fourth proportional to 415,827.20, 623,740.80 and 149,596.40 is: 224,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,827.20 : 623,740.80 = 149,596.40 : x
  2. Step 2: Convert to fraction form
    415,827.20/623,740.80 = 149,596.40/x
  3. Step 3: Cross multiply
    415,827.20x = 623,740.80 × 149,596.40
  4. Step 4: Simplify right side
    415,827.20x = 93,309,378,213.12
  5. Step 5: Solve for x
    x = 93,309,378,213.12/415,827.20
  6. Step 6: Final answer
    x = 224,394.60

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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.