Home / 1,205,292.91-1,663,352.11-661,448.29

Finding the Fourth Proportional to 1,205,292.91, 1,663,352.11 and 661,448.29

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Solution

The fourth proportional to 1,205,292.91, 1,663,352.11 and 661,448.29 is: 912,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,292.91 : 1,663,352.11 = 661,448.29 : x
  2. Step 2: Convert to fraction form
    1,205,292.91/1,663,352.11 = 661,448.29/x
  3. Step 3: Cross multiply
    1,205,292.91x = 1,663,352.11 × 661,448.29
  4. Step 4: Simplify right side
    1,205,292.91x = 1,100,221,408,827.39
  5. Step 5: Solve for x
    x = 1,100,221,408,827.39/1,205,292.91
  6. Step 6: Final answer
    x = 912,824.92

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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.