Home / 593,999.60-890,999.40-381,423.20

Finding the Fourth Proportional to 593,999.60, 890,999.40 and 381,423.20

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Solution

The fourth proportional to 593,999.60, 890,999.40 and 381,423.20 is: 572,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,999.60 : 890,999.40 = 381,423.20 : x
  2. Step 2: Convert to fraction form
    593,999.60/890,999.40 = 381,423.20/x
  3. Step 3: Cross multiply
    593,999.60x = 890,999.40 × 381,423.20
  4. Step 4: Simplify right side
    593,999.60x = 339,847,842,346.08
  5. Step 5: Solve for x
    x = 339,847,842,346.08/593,999.60
  6. Step 6: Final answer
    x = 572,134.80

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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.