Home / 518,826.72-773,082.20-462,231.95

Finding the Fourth Proportional to 518,826.72, 773,082.20 and 462,231.95

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Solution

The fourth proportional to 518,826.72, 773,082.20 and 462,231.95 is: 688,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,826.72 : 773,082.20 = 462,231.95 : x
  2. Step 2: Convert to fraction form
    518,826.72/773,082.20 = 462,231.95/x
  3. Step 3: Cross multiply
    518,826.72x = 773,082.20 × 462,231.95
  4. Step 4: Simplify right side
    518,826.72x = 357,343,286,639.72
  5. Step 5: Solve for x
    x = 357,343,286,639.72/518,826.72
  6. Step 6: Final answer
    x = 688,752.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.