Home / 346,315.70-519,862.35-267,778.10

Finding the Fourth Proportional to 346,315.70, 519,862.35 and 267,778.10

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Solution

The fourth proportional to 346,315.70, 519,862.35 and 267,778.10 is: 401,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,315.70 : 519,862.35 = 267,778.10 : x
  2. Step 2: Convert to fraction form
    346,315.70/519,862.35 = 267,778.10/x
  3. Step 3: Cross multiply
    346,315.70x = 519,862.35 × 267,778.10
  4. Step 4: Simplify right side
    346,315.70x = 139,207,752,344.54
  5. Step 5: Solve for x
    x = 139,207,752,344.54/346,315.70
  6. Step 6: Final answer
    x = 401,967.78

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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.