Home / 1,412,716.40-1,949,535-768,136.72

Finding the Fourth Proportional to 1,412,716.40, 1,949,535 and 768,136.72

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Solution

The fourth proportional to 1,412,716.40, 1,949,535 and 768,136.72 is: 1,060,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,716.40 : 1,949,535 = 768,136.72 : x
  2. Step 2: Convert to fraction form
    1,412,716.40/1,949,535 = 768,136.72/x
  3. Step 3: Cross multiply
    1,412,716.40x = 1,949,535 × 768,136.72
  4. Step 4: Simplify right side
    1,412,716.40x = 1,497,509,420,425.20
  5. Step 5: Solve for x
    x = 1,497,509,420,425.20/1,412,716.40
  6. Step 6: Final answer
    x = 1,060,021.26

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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.