Home / 812,921.10-1,122,017.74-541,000.46

Finding the Fourth Proportional to 812,921.10, 1,122,017.74 and 541,000.46

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Solution

The fourth proportional to 812,921.10, 1,122,017.74 and 541,000.46 is: 746,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,921.10 : 1,122,017.74 = 541,000.46 : x
  2. Step 2: Convert to fraction form
    812,921.10/1,122,017.74 = 541,000.46/x
  3. Step 3: Cross multiply
    812,921.10x = 1,122,017.74 × 541,000.46
  4. Step 4: Simplify right side
    812,921.10x = 607,012,113,468.16
  5. Step 5: Solve for x
    x = 607,012,113,468.16/812,921.10
  6. Step 6: Final answer
    x = 746,704.83

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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.