Home / 928,849.19-1,281,826.55-521,041.73

Finding the Fourth Proportional to 928,849.19, 1,281,826.55 and 521,041.73

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Solution

The fourth proportional to 928,849.19, 1,281,826.55 and 521,041.73 is: 719,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,849.19 : 1,281,826.55 = 521,041.73 : x
  2. Step 2: Convert to fraction form
    928,849.19/1,281,826.55 = 521,041.73/x
  3. Step 3: Cross multiply
    928,849.19x = 1,281,826.55 × 521,041.73
  4. Step 4: Simplify right side
    928,849.19x = 667,885,118,065.40
  5. Step 5: Solve for x
    x = 667,885,118,065.40/928,849.19
  6. Step 6: Final answer
    x = 719,045.81

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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.