Home / 912,822.20-1,369,233.30-415,158.20

Finding the Fourth Proportional to 912,822.20, 1,369,233.30 and 415,158.20

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Solution

The fourth proportional to 912,822.20, 1,369,233.30 and 415,158.20 is: 622,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,822.20 : 1,369,233.30 = 415,158.20 : x
  2. Step 2: Convert to fraction form
    912,822.20/1,369,233.30 = 415,158.20/x
  3. Step 3: Cross multiply
    912,822.20x = 1,369,233.30 × 415,158.20
  4. Step 4: Simplify right side
    912,822.20x = 568,448,432,208.06
  5. Step 5: Solve for x
    x = 568,448,432,208.06/912,822.20
  6. Step 6: Final answer
    x = 622,737.30

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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.