Home / 960,781.30-1,325,742.73-547,328.95

Finding the Fourth Proportional to 960,781.30, 1,325,742.73 and 547,328.95

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Solution

The fourth proportional to 960,781.30, 1,325,742.73 and 547,328.95 is: 755,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,781.30 : 1,325,742.73 = 547,328.95 : x
  2. Step 2: Convert to fraction form
    960,781.30/1,325,742.73 = 547,328.95/x
  3. Step 3: Cross multiply
    960,781.30x = 1,325,742.73 × 547,328.95
  4. Step 4: Simplify right side
    960,781.30x = 725,617,376,381.03
  5. Step 5: Solve for x
    x = 725,617,376,381.03/960,781.30
  6. Step 6: Final answer
    x = 755,236.78

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1.5x scale

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.