Home / 1,182,358.19-1,619,836.69-1,138,077.92

Finding the Fourth Proportional to 1,182,358.19, 1,619,836.69 and 1,138,077.92

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Solution

The fourth proportional to 1,182,358.19, 1,619,836.69 and 1,138,077.92 is: 1,559,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,358.19 : 1,619,836.69 = 1,138,077.92 : x
  2. Step 2: Convert to fraction form
    1,182,358.19/1,619,836.69 = 1,138,077.92/x
  3. Step 3: Cross multiply
    1,182,358.19x = 1,619,836.69 × 1,138,077.92
  4. Step 4: Simplify right side
    1,182,358.19x = 1,843,500,370,894.88
  5. Step 5: Solve for x
    x = 1,843,500,370,894.88/1,182,358.19
  6. Step 6: Final answer
    x = 1,559,172.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.