Home / 812,173.85-1,120,813.17-444,644.84

Finding the Fourth Proportional to 812,173.85, 1,120,813.17 and 444,644.84

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Solution

The fourth proportional to 812,173.85, 1,120,813.17 and 444,644.84 is: 613,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,173.85 : 1,120,813.17 = 444,644.84 : x
  2. Step 2: Convert to fraction form
    812,173.85/1,120,813.17 = 444,644.84/x
  3. Step 3: Cross multiply
    812,173.85x = 1,120,813.17 × 444,644.84
  4. Step 4: Simplify right side
    812,173.85x = 498,363,788,721.22
  5. Step 5: Solve for x
    x = 498,363,788,721.22/812,173.85
  6. Step 6: Final answer
    x = 613,617.13

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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.