Home / 783,403.91-1,074,056.78-769,232.15

Finding the Fourth Proportional to 783,403.91, 1,074,056.78 and 769,232.15

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Solution

The fourth proportional to 783,403.91, 1,074,056.78 and 769,232.15 is: 1,054,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,403.91 : 1,074,056.78 = 769,232.15 : x
  2. Step 2: Convert to fraction form
    783,403.91/1,074,056.78 = 769,232.15/x
  3. Step 3: Cross multiply
    783,403.91x = 1,074,056.78 × 769,232.15
  4. Step 4: Simplify right side
    783,403.91x = 826,199,006,101.48
  5. Step 5: Solve for x
    x = 826,199,006,101.48/783,403.91
  6. Step 6: Final answer
    x = 1,054,627.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.