Home / 881,535.84-1,216,545.12-499,549.92

Finding the Fourth Proportional to 881,535.84, 1,216,545.12 and 499,549.92

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Solution

The fourth proportional to 881,535.84, 1,216,545.12 and 499,549.92 is: 689,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,535.84 : 1,216,545.12 = 499,549.92 : x
  2. Step 2: Convert to fraction form
    881,535.84/1,216,545.12 = 499,549.92/x
  3. Step 3: Cross multiply
    881,535.84x = 1,216,545.12 × 499,549.92
  4. Step 4: Simplify right side
    881,535.84x = 607,725,017,372.39
  5. Step 5: Solve for x
    x = 607,725,017,372.39/881,535.84
  6. Step 6: Final answer
    x = 689,393.43

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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.