Home / 917,278.80-1,373,153.40-806,686.80

Finding the Fourth Proportional to 917,278.80, 1,373,153.40 and 806,686.80

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Solution

The fourth proportional to 917,278.80, 1,373,153.40 and 806,686.80 is: 1,207,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,278.80 : 1,373,153.40 = 806,686.80 : x
  2. Step 2: Convert to fraction form
    917,278.80/1,373,153.40 = 806,686.80/x
  3. Step 3: Cross multiply
    917,278.80x = 1,373,153.40 × 806,686.80
  4. Step 4: Simplify right side
    917,278.80x = 1,107,704,722,155.12
  5. Step 5: Solve for x
    x = 1,107,704,722,155.12/917,278.80
  6. Step 6: Final answer
    x = 1,207,598.74

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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.