Home / 572,511.30-858,766.95-198,534.30

Finding the Fourth Proportional to 572,511.30, 858,766.95 and 198,534.30

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Solution

The fourth proportional to 572,511.30, 858,766.95 and 198,534.30 is: 297,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,511.30 : 858,766.95 = 198,534.30 : x
  2. Step 2: Convert to fraction form
    572,511.30/858,766.95 = 198,534.30/x
  3. Step 3: Cross multiply
    572,511.30x = 858,766.95 × 198,534.30
  4. Step 4: Simplify right side
    572,511.30x = 170,494,695,281.39
  5. Step 5: Solve for x
    x = 170,494,695,281.39/572,511.30
  6. Step 6: Final answer
    x = 297,801.45

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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.