Home / 614,664.18-921,470.38-235,856.76

Finding the Fourth Proportional to 614,664.18, 921,470.38 and 235,856.76

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Solution

The fourth proportional to 614,664.18, 921,470.38 and 235,856.76 is: 353,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,664.18 : 921,470.38 = 235,856.76 : x
  2. Step 2: Convert to fraction form
    614,664.18/921,470.38 = 235,856.76/x
  3. Step 3: Cross multiply
    614,664.18x = 921,470.38 × 235,856.76
  4. Step 4: Simplify right side
    614,664.18x = 217,335,015,102.08
  5. Step 5: Solve for x
    x = 217,335,015,102.08/614,664.18
  6. Step 6: Final answer
    x = 353,583.34

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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.