Home / 1,144,557.20-1,716,818.34-386,930.87

Finding the Fourth Proportional to 1,144,557.20, 1,716,818.34 and 386,930.87

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Solution

The fourth proportional to 1,144,557.20, 1,716,818.34 and 386,930.87 is: 580,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,557.20 : 1,716,818.34 = 386,930.87 : x
  2. Step 2: Convert to fraction form
    1,144,557.20/1,716,818.34 = 386,930.87/x
  3. Step 3: Cross multiply
    1,144,557.20x = 1,716,818.34 × 386,930.87
  4. Step 4: Simplify right side
    1,144,557.20x = 664,290,020,713.74
  5. Step 5: Solve for x
    x = 664,290,020,713.74/1,144,557.20
  6. Step 6: Final answer
    x = 580,390.41

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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.