Home / 1,581,452-2,182,400.52-856,299.50

Finding the Fourth Proportional to 1,581,452, 2,182,400.52 and 856,299.50

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Solution

The fourth proportional to 1,581,452, 2,182,400.52 and 856,299.50 is: 1,181,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,452 : 2,182,400.52 = 856,299.50 : x
  2. Step 2: Convert to fraction form
    1,581,452/2,182,400.52 = 856,299.50/x
  3. Step 3: Cross multiply
    1,581,452x = 2,182,400.52 × 856,299.50
  4. Step 4: Simplify right side
    1,581,452x = 1,868,788,474,075.74
  5. Step 5: Solve for x
    x = 1,868,788,474,075.74/1,581,452
  6. Step 6: Final answer
    x = 1,181,691.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.