Home / 453,412.20-679,535.10-275,730.60

Finding the Fourth Proportional to 453,412.20, 679,535.10 and 275,730.60

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Solution

The fourth proportional to 453,412.20, 679,535.10 and 275,730.60 is: 413,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,412.20 : 679,535.10 = 275,730.60 : x
  2. Step 2: Convert to fraction form
    453,412.20/679,535.10 = 275,730.60/x
  3. Step 3: Cross multiply
    453,412.20x = 679,535.10 × 275,730.60
  4. Step 4: Simplify right side
    453,412.20x = 187,368,620,844.06
  5. Step 5: Solve for x
    x = 187,368,620,844.06/453,412.20
  6. Step 6: Final answer
    x = 413,241.24

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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.