Home / 783,432.56-1,074,095.98-769,260.80

Finding the Fourth Proportional to 783,432.56, 1,074,095.98 and 769,260.80

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Solution

The fourth proportional to 783,432.56, 1,074,095.98 and 769,260.80 is: 1,054,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,432.56 : 1,074,095.98 = 769,260.80 : x
  2. Step 2: Convert to fraction form
    783,432.56/1,074,095.98 = 769,260.80/x
  3. Step 3: Cross multiply
    783,432.56x = 1,074,095.98 × 769,260.80
  4. Step 4: Simplify right side
    783,432.56x = 826,259,932,851.58
  5. Step 5: Solve for x
    x = 826,259,932,851.58/783,432.56
  6. Step 6: Final answer
    x = 1,054,666.32

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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.