Home / 782,028.38-1,173,872.07-692,651.30

Finding the Fourth Proportional to 782,028.38, 1,173,872.07 and 692,651.30

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Solution

The fourth proportional to 782,028.38, 1,173,872.07 and 692,651.30 is: 1,039,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,028.38 : 1,173,872.07 = 692,651.30 : x
  2. Step 2: Convert to fraction form
    782,028.38/1,173,872.07 = 692,651.30/x
  3. Step 3: Cross multiply
    782,028.38x = 1,173,872.07 × 692,651.30
  4. Step 4: Simplify right side
    782,028.38x = 813,084,015,319.19
  5. Step 5: Solve for x
    x = 813,084,015,319.19/782,028.38
  6. Step 6: Final answer
    x = 1,039,711.65

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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.