Home / 575,115.40-862,673.10-154,433.80

Finding the Fourth Proportional to 575,115.40, 862,673.10 and 154,433.80

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Solution

The fourth proportional to 575,115.40, 862,673.10 and 154,433.80 is: 231,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,115.40 : 862,673.10 = 154,433.80 : x
  2. Step 2: Convert to fraction form
    575,115.40/862,673.10 = 154,433.80/x
  3. Step 3: Cross multiply
    575,115.40x = 862,673.10 × 154,433.80
  4. Step 4: Simplify right side
    575,115.40x = 133,225,884,990.78
  5. Step 5: Solve for x
    x = 133,225,884,990.78/575,115.40
  6. Step 6: Final answer
    x = 231,650.70

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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.