Home / 622,642.10-933,963.15-410,065.70

Finding the Fourth Proportional to 622,642.10, 933,963.15 and 410,065.70

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Solution

The fourth proportional to 622,642.10, 933,963.15 and 410,065.70 is: 615,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,642.10 : 933,963.15 = 410,065.70 : x
  2. Step 2: Convert to fraction form
    622,642.10/933,963.15 = 410,065.70/x
  3. Step 3: Cross multiply
    622,642.10x = 933,963.15 × 410,065.70
  4. Step 4: Simplify right side
    622,642.10x = 382,986,252,878.96
  5. Step 5: Solve for x
    x = 382,986,252,878.96/622,642.10
  6. Step 6: Final answer
    x = 615,098.55

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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.