Home / 1,281,490.18-1,923,025.83-650,856.58

Finding the Fourth Proportional to 1,281,490.18, 1,923,025.83 and 650,856.58

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Solution

The fourth proportional to 1,281,490.18, 1,923,025.83 and 650,856.58 is: 976,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,490.18 : 1,923,025.83 = 650,856.58 : x
  2. Step 2: Convert to fraction form
    1,281,490.18/1,923,025.83 = 650,856.58/x
  3. Step 3: Cross multiply
    1,281,490.18x = 1,923,025.83 × 650,856.58
  4. Step 4: Simplify right side
    1,281,490.18x = 1,251,614,014,965.46
  5. Step 5: Solve for x
    x = 1,251,614,014,965.46/1,281,490.18
  6. Step 6: Final answer
    x = 976,686.39

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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.