Home / 941,086.27-1,298,706.84-511,366.40

Finding the Fourth Proportional to 941,086.27, 1,298,706.84 and 511,366.40

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Solution

The fourth proportional to 941,086.27, 1,298,706.84 and 511,366.40 is: 705,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,086.27 : 1,298,706.84 = 511,366.40 : x
  2. Step 2: Convert to fraction form
    941,086.27/1,298,706.84 = 511,366.40/x
  3. Step 3: Cross multiply
    941,086.27x = 1,298,706.84 × 511,366.40
  4. Step 4: Simplify right side
    941,086.27x = 664,115,047,108.02
  5. Step 5: Solve for x
    x = 664,115,047,108.02/941,086.27
  6. Step 6: Final answer
    x = 705,689.87

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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.