Home / 1,206,695.47-1,665,059.26-690,367.35

Finding the Fourth Proportional to 1,206,695.47, 1,665,059.26 and 690,367.35

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Solution

The fourth proportional to 1,206,695.47, 1,665,059.26 and 690,367.35 is: 952,603.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,695.47 : 1,665,059.26 = 690,367.35 : x
  2. Step 2: Convert to fraction form
    1,206,695.47/1,665,059.26 = 690,367.35/x
  3. Step 3: Cross multiply
    1,206,695.47x = 1,665,059.26 × 690,367.35
  4. Step 4: Simplify right side
    1,206,695.47x = 1,149,502,545,467.32
  5. Step 5: Solve for x
    x = 1,149,502,545,467.32/1,206,695.47
  6. Step 6: Final answer
    x = 952,603.68

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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.