Home / 1,690,542.60-2,536,229.14-492,475.46

Finding the Fourth Proportional to 1,690,542.60, 2,536,229.14 and 492,475.46

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Solution

The fourth proportional to 1,690,542.60, 2,536,229.14 and 492,475.46 is: 738,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,542.60 : 2,536,229.14 = 492,475.46 : x
  2. Step 2: Convert to fraction form
    1,690,542.60/2,536,229.14 = 492,475.46/x
  3. Step 3: Cross multiply
    1,690,542.60x = 2,536,229.14 × 492,475.46
  4. Step 4: Simplify right side
    1,690,542.60x = 1,249,030,612,386.90
  5. Step 5: Solve for x
    x = 1,249,030,612,386.90/1,690,542.60
  6. Step 6: Final answer
    x = 738,834.15

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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.