Home / 1,187,874-1,780,964.52-556,443.36

Finding the Fourth Proportional to 1,187,874, 1,780,964.52 and 556,443.36

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Solution

The fourth proportional to 1,187,874, 1,780,964.52 and 556,443.36 is: 834,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,874 : 1,780,964.52 = 556,443.36 : x
  2. Step 2: Convert to fraction form
    1,187,874/1,780,964.52 = 556,443.36/x
  3. Step 3: Cross multiply
    1,187,874x = 1,780,964.52 × 556,443.36
  4. Step 4: Simplify right side
    1,187,874x = 991,005,881,549.59
  5. Step 5: Solve for x
    x = 991,005,881,549.59/1,187,874
  6. Step 6: Final answer
    x = 834,268.52

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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.