Home / 1,289,886.32-1,934,873.16-343,257.92

Finding the Fourth Proportional to 1,289,886.32, 1,934,873.16 and 343,257.92

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Solution

The fourth proportional to 1,289,886.32, 1,934,873.16 and 343,257.92 is: 514,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,886.32 : 1,934,873.16 = 343,257.92 : x
  2. Step 2: Convert to fraction form
    1,289,886.32/1,934,873.16 = 343,257.92/x
  3. Step 3: Cross multiply
    1,289,886.32x = 1,934,873.16 × 343,257.92
  4. Step 4: Simplify right side
    1,289,886.32x = 664,160,536,365.43
  5. Step 5: Solve for x
    x = 664,160,536,365.43/1,289,886.32
  6. Step 6: Final answer
    x = 514,898.50

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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.