Home / 1,291,976.25-1,782,909.81-719,016.27

Finding the Fourth Proportional to 1,291,976.25, 1,782,909.81 and 719,016.27

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Solution

The fourth proportional to 1,291,976.25, 1,782,909.81 and 719,016.27 is: 992,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,976.25 : 1,782,909.81 = 719,016.27 : x
  2. Step 2: Convert to fraction form
    1,291,976.25/1,782,909.81 = 719,016.27/x
  3. Step 3: Cross multiply
    1,291,976.25x = 1,782,909.81 × 719,016.27
  4. Step 4: Simplify right side
    1,291,976.25x = 1,281,941,161,332.61
  5. Step 5: Solve for x
    x = 1,281,941,161,332.61/1,291,976.25
  6. Step 6: Final answer
    x = 992,232.76

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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.