Home / 871,697.16-1,309,514.18-516,943.89

Finding the Fourth Proportional to 871,697.16, 1,309,514.18 and 516,943.89

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Solution

The fourth proportional to 871,697.16, 1,309,514.18 and 516,943.89 is: 776,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,697.16 : 1,309,514.18 = 516,943.89 : x
  2. Step 2: Convert to fraction form
    871,697.16/1,309,514.18 = 516,943.89/x
  3. Step 3: Cross multiply
    871,697.16x = 1,309,514.18 × 516,943.89
  4. Step 4: Simplify right side
    871,697.16x = 676,945,351,634.64
  5. Step 5: Solve for x
    x = 676,945,351,634.64/871,697.16
  6. Step 6: Final answer
    x = 776,583.18

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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.