Home / 1,101,837.92-1,520,536.33-618,403.07

Finding the Fourth Proportional to 1,101,837.92, 1,520,536.33 and 618,403.07

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Solution

The fourth proportional to 1,101,837.92, 1,520,536.33 and 618,403.07 is: 853,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,837.92 : 1,520,536.33 = 618,403.07 : x
  2. Step 2: Convert to fraction form
    1,101,837.92/1,520,536.33 = 618,403.07/x
  3. Step 3: Cross multiply
    1,101,837.92x = 1,520,536.33 × 618,403.07
  4. Step 4: Simplify right side
    1,101,837.92x = 940,304,330,225.22
  5. Step 5: Solve for x
    x = 940,304,330,225.22/1,101,837.92
  6. Step 6: Final answer
    x = 853,396.23

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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.