Home / 822,850.25-1,136,234.18-517,437.72

Finding the Fourth Proportional to 822,850.25, 1,136,234.18 and 517,437.72

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Solution

The fourth proportional to 822,850.25, 1,136,234.18 and 517,437.72 is: 714,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,850.25 : 1,136,234.18 = 517,437.72 : x
  2. Step 2: Convert to fraction form
    822,850.25/1,136,234.18 = 517,437.72/x
  3. Step 3: Cross multiply
    822,850.25x = 1,136,234.18 × 517,437.72
  4. Step 4: Simplify right side
    822,850.25x = 587,930,424,778.86
  5. Step 5: Solve for x
    x = 587,930,424,778.86/822,850.25
  6. Step 6: Final answer
    x = 714,504.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.