Home / 1,115,314.78-1,672,968.84-316,597

Finding the Fourth Proportional to 1,115,314.78, 1,672,968.84 and 316,597

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Solution

The fourth proportional to 1,115,314.78, 1,672,968.84 and 316,597 is: 474,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,314.78 : 1,672,968.84 = 316,597 : x
  2. Step 2: Convert to fraction form
    1,115,314.78/1,672,968.84 = 316,597/x
  3. Step 3: Cross multiply
    1,115,314.78x = 1,672,968.84 × 316,597
  4. Step 4: Simplify right side
    1,115,314.78x = 529,656,915,837.48
  5. Step 5: Solve for x
    x = 529,656,915,837.48/1,115,314.78
  6. Step 6: Final answer
    x = 474,894.55

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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.