Home / 1,127,288.30-1,555,717.47-618,012.14

Finding the Fourth Proportional to 1,127,288.30, 1,555,717.47 and 618,012.14

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Solution

The fourth proportional to 1,127,288.30, 1,555,717.47 and 618,012.14 is: 852,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,288.30 : 1,555,717.47 = 618,012.14 : x
  2. Step 2: Convert to fraction form
    1,127,288.30/1,555,717.47 = 618,012.14/x
  3. Step 3: Cross multiply
    1,127,288.30x = 1,555,717.47 × 618,012.14
  4. Step 4: Simplify right side
    1,127,288.30x = 961,452,282,870.09
  5. Step 5: Solve for x
    x = 961,452,282,870.09/1,127,288.30
  6. Step 6: Final answer
    x = 852,889.44

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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.