Home / 770,356.65-1,063,043.96-426,184.41

Finding the Fourth Proportional to 770,356.65, 1,063,043.96 and 426,184.41

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Solution

The fourth proportional to 770,356.65, 1,063,043.96 and 426,184.41 is: 588,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,356.65 : 1,063,043.96 = 426,184.41 : x
  2. Step 2: Convert to fraction form
    770,356.65/1,063,043.96 = 426,184.41/x
  3. Step 3: Cross multiply
    770,356.65x = 1,063,043.96 × 426,184.41
  4. Step 4: Simplify right side
    770,356.65x = 453,052,760,765.74
  5. Step 5: Solve for x
    x = 453,052,760,765.74/770,356.65
  6. Step 6: Final answer
    x = 588,107.81

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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.