Home / 1,015,738.17-1,401,818.97-580,220.70

Finding the Fourth Proportional to 1,015,738.17, 1,401,818.97 and 580,220.70

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Solution

The fourth proportional to 1,015,738.17, 1,401,818.97 and 580,220.70 is: 800,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,738.17 : 1,401,818.97 = 580,220.70 : x
  2. Step 2: Convert to fraction form
    1,015,738.17/1,401,818.97 = 580,220.70/x
  3. Step 3: Cross multiply
    1,015,738.17x = 1,401,818.97 × 580,220.70
  4. Step 4: Simplify right side
    1,015,738.17x = 813,364,377,037.58
  5. Step 5: Solve for x
    x = 813,364,377,037.58/1,015,738.17
  6. Step 6: Final answer
    x = 800,761.85

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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.