Home / 453,618.06-679,147.20-239,901.66

Finding the Fourth Proportional to 453,618.06, 679,147.20 and 239,901.66

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Solution

The fourth proportional to 453,618.06, 679,147.20 and 239,901.66 is: 359,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,618.06 : 679,147.20 = 239,901.66 : x
  2. Step 2: Convert to fraction form
    453,618.06/679,147.20 = 239,901.66/x
  3. Step 3: Cross multiply
    453,618.06x = 679,147.20 × 239,901.66
  4. Step 4: Simplify right side
    453,618.06x = 162,928,540,664.35
  5. Step 5: Solve for x
    x = 162,928,540,664.35/453,618.06
  6. Step 6: Final answer
    x = 359,175.60

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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.