Home / 467,695.10-645,421.02-260,972.21

Finding the Fourth Proportional to 467,695.10, 645,421.02 and 260,972.21

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Solution

The fourth proportional to 467,695.10, 645,421.02 and 260,972.21 is: 360,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,695.10 : 645,421.02 = 260,972.21 : x
  2. Step 2: Convert to fraction form
    467,695.10/645,421.02 = 260,972.21/x
  3. Step 3: Cross multiply
    467,695.10x = 645,421.02 × 260,972.21
  4. Step 4: Simplify right side
    467,695.10x = 168,436,950,604.76
  5. Step 5: Solve for x
    x = 168,436,950,604.76/467,695.10
  6. Step 6: Final answer
    x = 360,142.64

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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.