Home / 918,406.44-1,267,344.90-516,024.36

Finding the Fourth Proportional to 918,406.44, 1,267,344.90 and 516,024.36

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Solution

The fourth proportional to 918,406.44, 1,267,344.90 and 516,024.36 is: 712,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,406.44 : 1,267,344.90 = 516,024.36 : x
  2. Step 2: Convert to fraction form
    918,406.44/1,267,344.90 = 516,024.36/x
  3. Step 3: Cross multiply
    918,406.44x = 1,267,344.90 × 516,024.36
  4. Step 4: Simplify right side
    918,406.44x = 653,980,840,921.76
  5. Step 5: Solve for x
    x = 653,980,840,921.76/918,406.44
  6. Step 6: Final answer
    x = 712,082.16

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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.