Home / 572,746.60-858,795.90-217,772.20

Finding the Fourth Proportional to 572,746.60, 858,795.90 and 217,772.20

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Solution

The fourth proportional to 572,746.60, 858,795.90 and 217,772.20 is: 326,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,746.60 : 858,795.90 = 217,772.20 : x
  2. Step 2: Convert to fraction form
    572,746.60/858,795.90 = 217,772.20/x
  3. Step 3: Cross multiply
    572,746.60x = 858,795.90 × 217,772.20
  4. Step 4: Simplify right side
    572,746.60x = 187,021,872,493.98
  5. Step 5: Solve for x
    x = 187,021,872,493.98/572,746.60
  6. Step 6: Final answer
    x = 326,535.11

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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.