Home / 452,941.47-679,510.22-137,422.17

Finding the Fourth Proportional to 452,941.47, 679,510.22 and 137,422.17

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Solution

The fourth proportional to 452,941.47, 679,510.22 and 137,422.17 is: 206,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,941.47 : 679,510.22 = 137,422.17 : x
  2. Step 2: Convert to fraction form
    452,941.47/679,510.22 = 137,422.17/x
  3. Step 3: Cross multiply
    452,941.47x = 679,510.22 × 137,422.17
  4. Step 4: Simplify right side
    452,941.47x = 93,379,768,282.47
  5. Step 5: Solve for x
    x = 93,379,768,282.47/452,941.47
  6. Step 6: Final answer
    x = 206,162.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.