Home / 526,919.40-726,874.86-323,018.10

Finding the Fourth Proportional to 526,919.40, 726,874.86 and 323,018.10

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Solution

The fourth proportional to 526,919.40, 726,874.86 and 323,018.10 is: 445,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,919.40 : 726,874.86 = 323,018.10 : x
  2. Step 2: Convert to fraction form
    526,919.40/726,874.86 = 323,018.10/x
  3. Step 3: Cross multiply
    526,919.40x = 726,874.86 × 323,018.10
  4. Step 4: Simplify right side
    526,919.40x = 234,793,736,214.97
  5. Step 5: Solve for x
    x = 234,793,736,214.97/526,919.40
  6. Step 6: Final answer
    x = 445,597.06

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1.5x scale

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.