Home / 1,259,217.35-1,737,781.55-708,106.51

Finding the Fourth Proportional to 1,259,217.35, 1,737,781.55 and 708,106.51

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Solution

The fourth proportional to 1,259,217.35, 1,737,781.55 and 708,106.51 is: 977,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,217.35 : 1,737,781.55 = 708,106.51 : x
  2. Step 2: Convert to fraction form
    1,259,217.35/1,737,781.55 = 708,106.51/x
  3. Step 3: Cross multiply
    1,259,217.35x = 1,737,781.55 × 708,106.51
  4. Step 4: Simplify right side
    1,259,217.35x = 1,230,534,428,512.89
  5. Step 5: Solve for x
    x = 1,230,534,428,512.89/1,259,217.35
  6. Step 6: Final answer
    x = 977,221.63

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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.