Home / 1,255,260.06-1,883,140.65-656,490.78

Finding the Fourth Proportional to 1,255,260.06, 1,883,140.65 and 656,490.78

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Solution

The fourth proportional to 1,255,260.06, 1,883,140.65 and 656,490.78 is: 984,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,260.06 : 1,883,140.65 = 656,490.78 : x
  2. Step 2: Convert to fraction form
    1,255,260.06/1,883,140.65 = 656,490.78/x
  3. Step 3: Cross multiply
    1,255,260.06x = 1,883,140.65 × 656,490.78
  4. Step 4: Simplify right side
    1,255,260.06x = 1,236,264,474,168.21
  5. Step 5: Solve for x
    x = 1,236,264,474,168.21/1,255,260.06
  6. Step 6: Final answer
    x = 984,867.21

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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.