Home / 1,117,554.80-1,542,338.08-658,815.16

Finding the Fourth Proportional to 1,117,554.80, 1,542,338.08 and 658,815.16

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Solution

The fourth proportional to 1,117,554.80, 1,542,338.08 and 658,815.16 is: 909,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,554.80 : 1,542,338.08 = 658,815.16 : x
  2. Step 2: Convert to fraction form
    1,117,554.80/1,542,338.08 = 658,815.16/x
  3. Step 3: Cross multiply
    1,117,554.80x = 1,542,338.08 × 658,815.16
  4. Step 4: Simplify right side
    1,117,554.80x = 1,016,115,708,949.29
  5. Step 5: Solve for x
    x = 1,016,115,708,949.29/1,117,554.80
  6. Step 6: Final answer
    x = 909,231.22

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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.