Home / 807,636.31-1,114,545.59-445,073.18

Finding the Fourth Proportional to 807,636.31, 1,114,545.59 and 445,073.18

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Solution

The fourth proportional to 807,636.31, 1,114,545.59 and 445,073.18 is: 614,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,636.31 : 1,114,545.59 = 445,073.18 : x
  2. Step 2: Convert to fraction form
    807,636.31/1,114,545.59 = 445,073.18/x
  3. Step 3: Cross multiply
    807,636.31x = 1,114,545.59 × 445,073.18
  4. Step 4: Simplify right side
    807,636.31x = 496,054,343,867.21
  5. Step 5: Solve for x
    x = 496,054,343,867.21/807,636.31
  6. Step 6: Final answer
    x = 614,205.11

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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.