Home / 987,548.57-1,363,404.34-625,282.95

Finding the Fourth Proportional to 987,548.57, 1,363,404.34 and 625,282.95

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Solution

The fourth proportional to 987,548.57, 1,363,404.34 and 625,282.95 is: 863,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,548.57 : 1,363,404.34 = 625,282.95 : x
  2. Step 2: Convert to fraction form
    987,548.57/1,363,404.34 = 625,282.95/x
  3. Step 3: Cross multiply
    987,548.57x = 1,363,404.34 × 625,282.95
  4. Step 4: Simplify right side
    987,548.57x = 852,513,493,652.37
  5. Step 5: Solve for x
    x = 852,513,493,652.37/987,548.57
  6. Step 6: Final answer
    x = 863,262.35

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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.