Home / 1,287,188.56-1,776,332.46-714,282.04

Finding the Fourth Proportional to 1,287,188.56, 1,776,332.46 and 714,282.04

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Solution

The fourth proportional to 1,287,188.56, 1,776,332.46 and 714,282.04 is: 985,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,188.56 : 1,776,332.46 = 714,282.04 : x
  2. Step 2: Convert to fraction form
    1,287,188.56/1,776,332.46 = 714,282.04/x
  3. Step 3: Cross multiply
    1,287,188.56x = 1,776,332.46 × 714,282.04
  4. Step 4: Simplify right side
    1,287,188.56x = 1,268,802,373,247.02
  5. Step 5: Solve for x
    x = 1,268,802,373,247.02/1,287,188.56
  6. Step 6: Final answer
    x = 985,716.01

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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.