Home / 314,686.20-434,819.34-251,545.08

Finding the Fourth Proportional to 314,686.20, 434,819.34 and 251,545.08

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Solution

The fourth proportional to 314,686.20, 434,819.34 and 251,545.08 is: 347,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,686.20 : 434,819.34 = 251,545.08 : x
  2. Step 2: Convert to fraction form
    314,686.20/434,819.34 = 251,545.08/x
  3. Step 3: Cross multiply
    314,686.20x = 434,819.34 × 251,545.08
  4. Step 4: Simplify right side
    314,686.20x = 109,376,665,665.85
  5. Step 5: Solve for x
    x = 109,376,665,665.85/314,686.20
  6. Step 6: Final answer
    x = 347,573.76

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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.