Home / 466,823.80-698,622.90-279,969.40

Finding the Fourth Proportional to 466,823.80, 698,622.90 and 279,969.40

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Solution

The fourth proportional to 466,823.80, 698,622.90 and 279,969.40 is: 418,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,823.80 : 698,622.90 = 279,969.40 : x
  2. Step 2: Convert to fraction form
    466,823.80/698,622.90 = 279,969.40/x
  3. Step 3: Cross multiply
    466,823.80x = 698,622.90 × 279,969.40
  4. Step 4: Simplify right side
    466,823.80x = 195,593,034,139.26
  5. Step 5: Solve for x
    x = 195,593,034,139.26/466,823.80
  6. Step 6: Final answer
    x = 418,986.85

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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.