Home / 1,271,338.93-1,754,439.65-690,556.11

Finding the Fourth Proportional to 1,271,338.93, 1,754,439.65 and 690,556.11

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Solution

The fourth proportional to 1,271,338.93, 1,754,439.65 and 690,556.11 is: 952,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,338.93 : 1,754,439.65 = 690,556.11 : x
  2. Step 2: Convert to fraction form
    1,271,338.93/1,754,439.65 = 690,556.11/x
  3. Step 3: Cross multiply
    1,271,338.93x = 1,754,439.65 × 690,556.11
  4. Step 4: Simplify right side
    1,271,338.93x = 1,211,539,007,708.78
  5. Step 5: Solve for x
    x = 1,211,539,007,708.78/1,271,338.93
  6. Step 6: Final answer
    x = 952,963.04

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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.