Home / 912,629.63-1,367,869.39-372,548.61

Finding the Fourth Proportional to 912,629.63, 1,367,869.39 and 372,548.61

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Solution

The fourth proportional to 912,629.63, 1,367,869.39 and 372,548.61 is: 558,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,629.63 : 1,367,869.39 = 372,548.61 : x
  2. Step 2: Convert to fraction form
    912,629.63/1,367,869.39 = 372,548.61/x
  3. Step 3: Cross multiply
    912,629.63x = 1,367,869.39 × 372,548.61
  4. Step 4: Simplify right side
    912,629.63x = 509,597,838,974.68
  5. Step 5: Solve for x
    x = 509,597,838,974.68/912,629.63
  6. Step 6: Final answer
    x = 558,384.06

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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.