Home / 676,246.32-933,213.28-366,147.40

Finding the Fourth Proportional to 676,246.32, 933,213.28 and 366,147.40

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Solution

The fourth proportional to 676,246.32, 933,213.28 and 366,147.40 is: 505,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,246.32 : 933,213.28 = 366,147.40 : x
  2. Step 2: Convert to fraction form
    676,246.32/933,213.28 = 366,147.40/x
  3. Step 3: Cross multiply
    676,246.32x = 933,213.28 × 366,147.40
  4. Step 4: Simplify right side
    676,246.32x = 341,693,612,869.07
  5. Step 5: Solve for x
    x = 341,693,612,869.07/676,246.32
  6. Step 6: Final answer
    x = 505,279.81

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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.