Home / 971,998.80-1,457,998.20-572,433.90

Finding the Fourth Proportional to 971,998.80, 1,457,998.20 and 572,433.90

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Solution

The fourth proportional to 971,998.80, 1,457,998.20 and 572,433.90 is: 858,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,998.80 : 1,457,998.20 = 572,433.90 : x
  2. Step 2: Convert to fraction form
    971,998.80/1,457,998.20 = 572,433.90/x
  3. Step 3: Cross multiply
    971,998.80x = 1,457,998.20 × 572,433.90
  4. Step 4: Simplify right side
    971,998.80x = 834,607,595,818.98
  5. Step 5: Solve for x
    x = 834,607,595,818.98/971,998.80
  6. Step 6: Final answer
    x = 858,650.85

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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.