Home / 1,127,722.91-1,556,192.66-618,425.28

Finding the Fourth Proportional to 1,127,722.91, 1,556,192.66 and 618,425.28

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Solution

The fourth proportional to 1,127,722.91, 1,556,192.66 and 618,425.28 is: 853,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,722.91 : 1,556,192.66 = 618,425.28 : x
  2. Step 2: Convert to fraction form
    1,127,722.91/1,556,192.66 = 618,425.28/x
  3. Step 3: Cross multiply
    1,127,722.91x = 1,556,192.66 × 618,425.28
  4. Step 4: Simplify right side
    1,127,722.91x = 962,388,878,402.32
  5. Step 5: Solve for x
    x = 962,388,878,402.32/1,127,722.91
  6. Step 6: Final answer
    x = 853,391.27

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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.