Home / 1,138,343.23-1,570,918.52-622,107.39

Finding the Fourth Proportional to 1,138,343.23, 1,570,918.52 and 622,107.39

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Solution

The fourth proportional to 1,138,343.23, 1,570,918.52 and 622,107.39 is: 858,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,343.23 : 1,570,918.52 = 622,107.39 : x
  2. Step 2: Convert to fraction form
    1,138,343.23/1,570,918.52 = 622,107.39/x
  3. Step 3: Cross multiply
    1,138,343.23x = 1,570,918.52 × 622,107.39
  4. Step 4: Simplify right side
    1,138,343.23x = 977,280,017,269.33
  5. Step 5: Solve for x
    x = 977,280,017,269.33/1,138,343.23
  6. Step 6: Final answer
    x = 858,510.85

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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.