Home / 406,205.20-609,412.92-237,867.76

Finding the Fourth Proportional to 406,205.20, 609,412.92 and 237,867.76

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Solution

The fourth proportional to 406,205.20, 609,412.92 and 237,867.76 is: 356,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,205.20 : 609,412.92 = 237,867.76 : x
  2. Step 2: Convert to fraction form
    406,205.20/609,412.92 = 237,867.76/x
  3. Step 3: Cross multiply
    406,205.20x = 609,412.92 × 237,867.76
  4. Step 4: Simplify right side
    406,205.20x = 144,959,686,195.46
  5. Step 5: Solve for x
    x = 144,959,686,195.46/406,205.20
  6. Step 6: Final answer
    x = 356,863.20

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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.