Home / 1,127,405.36-1,555,834.56-618,106.52

Finding the Fourth Proportional to 1,127,405.36, 1,555,834.56 and 618,106.52

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Solution

The fourth proportional to 1,127,405.36, 1,555,834.56 and 618,106.52 is: 852,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,405.36 : 1,555,834.56 = 618,106.52 : x
  2. Step 2: Convert to fraction form
    1,127,405.36/1,555,834.56 = 618,106.52/x
  3. Step 3: Cross multiply
    1,127,405.36x = 1,555,834.56 × 618,106.52
  4. Step 4: Simplify right side
    1,127,405.36x = 961,671,485,577.33
  5. Step 5: Solve for x
    x = 961,671,485,577.33/1,127,405.36
  6. Step 6: Final answer
    x = 852,995.31

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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.