Home / 763,583.73-1,053,716.69-424,073.85

Finding the Fourth Proportional to 763,583.73, 1,053,716.69 and 424,073.85

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Solution

The fourth proportional to 763,583.73, 1,053,716.69 and 424,073.85 is: 585,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,583.73 : 1,053,716.69 = 424,073.85 : x
  2. Step 2: Convert to fraction form
    763,583.73/1,053,716.69 = 424,073.85/x
  3. Step 3: Cross multiply
    763,583.73x = 1,053,716.69 × 424,073.85
  4. Step 4: Simplify right side
    763,583.73x = 446,853,696,555.29
  5. Step 5: Solve for x
    x = 446,853,696,555.29/763,583.73
  6. Step 6: Final answer
    x = 585,205.89

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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.