Home / 460,306.39-690,443.25-140,445.34

Finding the Fourth Proportional to 460,306.39, 690,443.25 and 140,445.34

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Solution

The fourth proportional to 460,306.39, 690,443.25 and 140,445.34 is: 210,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,306.39 : 690,443.25 = 140,445.34 : x
  2. Step 2: Convert to fraction form
    460,306.39/690,443.25 = 140,445.34/x
  3. Step 3: Cross multiply
    460,306.39x = 690,443.25 × 140,445.34
  4. Step 4: Simplify right side
    460,306.39x = 96,969,533,544.74
  5. Step 5: Solve for x
    x = 96,969,533,544.74/460,306.39
  6. Step 6: Final answer
    x = 210,663.02

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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.