Home / 448,191.60-672,287.40-237,721.20

Finding the Fourth Proportional to 448,191.60, 672,287.40 and 237,721.20

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Solution

The fourth proportional to 448,191.60, 672,287.40 and 237,721.20 is: 356,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,191.60 : 672,287.40 = 237,721.20 : x
  2. Step 2: Convert to fraction form
    448,191.60/672,287.40 = 237,721.20/x
  3. Step 3: Cross multiply
    448,191.60x = 672,287.40 × 237,721.20
  4. Step 4: Simplify right side
    448,191.60x = 159,816,967,472.88
  5. Step 5: Solve for x
    x = 159,816,967,472.88/448,191.60
  6. Step 6: Final answer
    x = 356,581.80

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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.