Home / 1,059,916.60-1,589,327.70-311,865.40

Finding the Fourth Proportional to 1,059,916.60, 1,589,327.70 and 311,865.40

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Solution

The fourth proportional to 1,059,916.60, 1,589,327.70 and 311,865.40 is: 467,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,916.60 : 1,589,327.70 = 311,865.40 : x
  2. Step 2: Convert to fraction form
    1,059,916.60/1,589,327.70 = 311,865.40/x
  3. Step 3: Cross multiply
    1,059,916.60x = 1,589,327.70 × 311,865.40
  4. Step 4: Simplify right side
    1,059,916.60x = 495,656,318,891.58
  5. Step 5: Solve for x
    x = 495,656,318,891.58/1,059,916.60
  6. Step 6: Final answer
    x = 467,637.09

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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.