Home / 572,515.40-858,773.10-198,576.20

Finding the Fourth Proportional to 572,515.40, 858,773.10 and 198,576.20

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Solution

The fourth proportional to 572,515.40, 858,773.10 and 198,576.20 is: 297,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,515.40 : 858,773.10 = 198,576.20 : x
  2. Step 2: Convert to fraction form
    572,515.40/858,773.10 = 198,576.20/x
  3. Step 3: Cross multiply
    572,515.40x = 858,773.10 × 198,576.20
  4. Step 4: Simplify right side
    572,515.40x = 170,531,898,860.22
  5. Step 5: Solve for x
    x = 170,531,898,860.22/572,515.40
  6. Step 6: Final answer
    x = 297,864.30

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Double scale
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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.