Home / 1,151,116.90-1,726,659.15-520,029.70

Finding the Fourth Proportional to 1,151,116.90, 1,726,659.15 and 520,029.70

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Solution

The fourth proportional to 1,151,116.90, 1,726,659.15 and 520,029.70 is: 780,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,116.90 : 1,726,659.15 = 520,029.70 : x
  2. Step 2: Convert to fraction form
    1,151,116.90/1,726,659.15 = 520,029.70/x
  3. Step 3: Cross multiply
    1,151,116.90x = 1,726,659.15 × 520,029.70
  4. Step 4: Simplify right side
    1,151,116.90x = 897,914,039,776.76
  5. Step 5: Solve for x
    x = 897,914,039,776.76/1,151,116.90
  6. Step 6: Final answer
    x = 780,037.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.