Home / 743,281.60-1,114,922.40-619,278.70

Finding the Fourth Proportional to 743,281.60, 1,114,922.40 and 619,278.70

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Solution

The fourth proportional to 743,281.60, 1,114,922.40 and 619,278.70 is: 928,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,281.60 : 1,114,922.40 = 619,278.70 : x
  2. Step 2: Convert to fraction form
    743,281.60/1,114,922.40 = 619,278.70/x
  3. Step 3: Cross multiply
    743,281.60x = 1,114,922.40 × 619,278.70
  4. Step 4: Simplify right side
    743,281.60x = 690,447,694,472.88
  5. Step 5: Solve for x
    x = 690,447,694,472.88/743,281.60
  6. Step 6: Final answer
    x = 928,918.05

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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.