Home / 572,501.40-858,752.10-198,562.20

Finding the Fourth Proportional to 572,501.40, 858,752.10 and 198,562.20

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Solution

The fourth proportional to 572,501.40, 858,752.10 and 198,562.20 is: 297,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,501.40 : 858,752.10 = 198,562.20 : x
  2. Step 2: Convert to fraction form
    572,501.40/858,752.10 = 198,562.20/x
  3. Step 3: Cross multiply
    572,501.40x = 858,752.10 × 198,562.20
  4. Step 4: Simplify right side
    572,501.40x = 170,515,706,230.62
  5. Step 5: Solve for x
    x = 170,515,706,230.62/572,501.40
  6. Step 6: Final answer
    x = 297,843.30

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Half scale
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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.