Home / 1,187,882-1,780,976.52-556,451.36

Finding the Fourth Proportional to 1,187,882, 1,780,976.52 and 556,451.36

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Solution

The fourth proportional to 1,187,882, 1,780,976.52 and 556,451.36 is: 834,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,882 : 1,780,976.52 = 556,451.36 : x
  2. Step 2: Convert to fraction form
    1,187,882/1,780,976.52 = 556,451.36/x
  3. Step 3: Cross multiply
    1,187,882x = 1,780,976.52 × 556,451.36
  4. Step 4: Simplify right side
    1,187,882x = 991,026,806,682.07
  5. Step 5: Solve for x
    x = 991,026,806,682.07/1,187,882
  6. Step 6: Final answer
    x = 834,280.51

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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.