Home / 985,789.34-1,359,872.13-856,437.18

Finding the Fourth Proportional to 985,789.34, 1,359,872.13 and 856,437.18

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Solution

The fourth proportional to 985,789.34, 1,359,872.13 and 856,437.18 is: 1,181,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,789.34 : 1,359,872.13 = 856,437.18 : x
  2. Step 2: Convert to fraction form
    985,789.34/1,359,872.13 = 856,437.18/x
  3. Step 3: Cross multiply
    985,789.34x = 1,359,872.13 × 856,437.18
  4. Step 4: Simplify right side
    985,789.34x = 1,164,645,052,177.79
  5. Step 5: Solve for x
    x = 1,164,645,052,177.79/985,789.34
  6. Step 6: Final answer
    x = 1,181,434.01

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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.