Home / 879,261.70-1,318,892.55-574,831.30

Finding the Fourth Proportional to 879,261.70, 1,318,892.55 and 574,831.30

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Solution

The fourth proportional to 879,261.70, 1,318,892.55 and 574,831.30 is: 862,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,261.70 : 1,318,892.55 = 574,831.30 : x
  2. Step 2: Convert to fraction form
    879,261.70/1,318,892.55 = 574,831.30/x
  3. Step 3: Cross multiply
    879,261.70x = 1,318,892.55 × 574,831.30
  4. Step 4: Simplify right side
    879,261.70x = 758,140,719,076.82
  5. Step 5: Solve for x
    x = 758,140,719,076.82/879,261.70
  6. Step 6: Final answer
    x = 862,246.95

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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.