Home / 602,623.22-831,617.76-330,695.66

Finding the Fourth Proportional to 602,623.22, 831,617.76 and 330,695.66

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Solution

The fourth proportional to 602,623.22, 831,617.76 and 330,695.66 is: 456,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,623.22 : 831,617.76 = 330,695.66 : x
  2. Step 2: Convert to fraction form
    602,623.22/831,617.76 = 330,695.66/x
  3. Step 3: Cross multiply
    602,623.22x = 831,617.76 × 330,695.66
  4. Step 4: Simplify right side
    602,623.22x = 275,012,384,010.92
  5. Step 5: Solve for x
    x = 275,012,384,010.92/602,623.22
  6. Step 6: Final answer
    x = 456,358.76

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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.