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Finding the Fourth Proportional to 873,658.52, 1,206,020.76 and 587,344.68

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Solution

The fourth proportional to 873,658.52, 1,206,020.76 and 587,344.68 is: 810,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,658.52 : 1,206,020.76 = 587,344.68 : x
  2. Step 2: Convert to fraction form
    873,658.52/1,206,020.76 = 587,344.68/x
  3. Step 3: Cross multiply
    873,658.52x = 1,206,020.76 × 587,344.68
  4. Step 4: Simplify right side
    873,658.52x = 708,349,877,355.56
  5. Step 5: Solve for x
    x = 708,349,877,355.56/873,658.52
  6. Step 6: Final answer
    x = 810,785.75

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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.