Home / 1,127,343.76-1,555,732.74-618,078.76

Finding the Fourth Proportional to 1,127,343.76, 1,555,732.74 and 618,078.76

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Solution

The fourth proportional to 1,127,343.76, 1,555,732.74 and 618,078.76 is: 852,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,343.76 : 1,555,732.74 = 618,078.76 : x
  2. Step 2: Convert to fraction form
    1,127,343.76/1,555,732.74 = 618,078.76/x
  3. Step 3: Cross multiply
    1,127,343.76x = 1,555,732.74 × 618,078.76
  4. Step 4: Simplify right side
    1,127,343.76x = 961,565,362,830.60
  5. Step 5: Solve for x
    x = 961,565,362,830.60/1,127,343.76
  6. Step 6: Final answer
    x = 852,947.78

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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.