Home / 1,216,842.08-1,825,123.68-318,370.56

Finding the Fourth Proportional to 1,216,842.08, 1,825,123.68 and 318,370.56

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Solution

The fourth proportional to 1,216,842.08, 1,825,123.68 and 318,370.56 is: 477,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,842.08 : 1,825,123.68 = 318,370.56 : x
  2. Step 2: Convert to fraction form
    1,216,842.08/1,825,123.68 = 318,370.56/x
  3. Step 3: Cross multiply
    1,216,842.08x = 1,825,123.68 × 318,370.56
  4. Step 4: Simplify right side
    1,216,842.08x = 581,065,648,070.86
  5. Step 5: Solve for x
    x = 581,065,648,070.86/1,216,842.08
  6. Step 6: Final answer
    x = 477,519.36

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1.5x scale

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.