Home / 572,731.40-859,097.10-198,754.40

Finding the Fourth Proportional to 572,731.40, 859,097.10 and 198,754.40

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Solution

The fourth proportional to 572,731.40, 859,097.10 and 198,754.40 is: 298,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,731.40 : 859,097.10 = 198,754.40 : x
  2. Step 2: Convert to fraction form
    572,731.40/859,097.10 = 198,754.40/x
  3. Step 3: Cross multiply
    572,731.40x = 859,097.10 × 198,754.40
  4. Step 4: Simplify right side
    572,731.40x = 170,749,328,652.24
  5. Step 5: Solve for x
    x = 170,749,328,652.24/572,731.40
  6. Step 6: Final answer
    x = 298,131.60

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Similar ratio
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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.