Home / 1,144,007.87-1,578,726.50-627,770.39

Finding the Fourth Proportional to 1,144,007.87, 1,578,726.50 and 627,770.39

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Solution

The fourth proportional to 1,144,007.87, 1,578,726.50 and 627,770.39 is: 866,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,007.87 : 1,578,726.50 = 627,770.39 : x
  2. Step 2: Convert to fraction form
    1,144,007.87/1,578,726.50 = 627,770.39/x
  3. Step 3: Cross multiply
    1,144,007.87x = 1,578,726.50 × 627,770.39
  4. Step 4: Simplify right side
    1,144,007.87x = 991,077,739,575.85
  5. Step 5: Solve for x
    x = 991,077,739,575.85/1,144,007.87
  6. Step 6: Final answer
    x = 866,320.74

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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.