Home / 763,584.49-1,053,717.72-424,074.61

Finding the Fourth Proportional to 763,584.49, 1,053,717.72 and 424,074.61

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Solution

The fourth proportional to 763,584.49, 1,053,717.72 and 424,074.61 is: 585,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,584.49 : 1,053,717.72 = 424,074.61 : x
  2. Step 2: Convert to fraction form
    763,584.49/1,053,717.72 = 424,074.61/x
  3. Step 3: Cross multiply
    763,584.49x = 1,053,717.72 × 424,074.61
  4. Step 4: Simplify right side
    763,584.49x = 446,854,928,524.80
  5. Step 5: Solve for x
    x = 446,854,928,524.80/763,584.49
  6. Step 6: Final answer
    x = 585,206.92

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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.