Home / 435,739.40-653,609.10-140,251.40

Finding the Fourth Proportional to 435,739.40, 653,609.10 and 140,251.40

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Solution

The fourth proportional to 435,739.40, 653,609.10 and 140,251.40 is: 210,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,739.40 : 653,609.10 = 140,251.40 : x
  2. Step 2: Convert to fraction form
    435,739.40/653,609.10 = 140,251.40/x
  3. Step 3: Cross multiply
    435,739.40x = 653,609.10 × 140,251.40
  4. Step 4: Simplify right side
    435,739.40x = 91,669,591,327.74
  5. Step 5: Solve for x
    x = 91,669,591,327.74/435,739.40
  6. Step 6: Final answer
    x = 210,377.10

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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.