Home / 1,274,132.15-1,909,869.59-516,496.55

Finding the Fourth Proportional to 1,274,132.15, 1,909,869.59 and 516,496.55

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Solution

The fourth proportional to 1,274,132.15, 1,909,869.59 and 516,496.55 is: 774,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,132.15 : 1,909,869.59 = 516,496.55 : x
  2. Step 2: Convert to fraction form
    1,274,132.15/1,909,869.59 = 516,496.55/x
  3. Step 3: Cross multiply
    1,274,132.15x = 1,909,869.59 × 516,496.55
  4. Step 4: Simplify right side
    1,274,132.15x = 986,441,042,053.08
  5. Step 5: Solve for x
    x = 986,441,042,053.08/1,274,132.15
  6. Step 6: Final answer
    x = 774,206.23

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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.