Home / 389,913.10-584,869.65-94,425.10

Finding the Fourth Proportional to 389,913.10, 584,869.65 and 94,425.10

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Solution

The fourth proportional to 389,913.10, 584,869.65 and 94,425.10 is: 141,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,913.10 : 584,869.65 = 94,425.10 : x
  2. Step 2: Convert to fraction form
    389,913.10/584,869.65 = 94,425.10/x
  3. Step 3: Cross multiply
    389,913.10x = 584,869.65 × 94,425.10
  4. Step 4: Simplify right side
    389,913.10x = 55,226,375,188.22
  5. Step 5: Solve for x
    x = 55,226,375,188.22/389,913.10
  6. Step 6: Final answer
    x = 141,637.65

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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.