Home / 602,275.48-831,134.50-330,337.80

Finding the Fourth Proportional to 602,275.48, 831,134.50 and 330,337.80

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Solution

The fourth proportional to 602,275.48, 831,134.50 and 330,337.80 is: 455,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,275.48 : 831,134.50 = 330,337.80 : x
  2. Step 2: Convert to fraction form
    602,275.48/831,134.50 = 330,337.80/x
  3. Step 3: Cross multiply
    602,275.48x = 831,134.50 × 330,337.80
  4. Step 4: Simplify right side
    602,275.48x = 274,555,142,234.10
  5. Step 5: Solve for x
    x = 274,555,142,234.10/602,275.48
  6. Step 6: Final answer
    x = 455,863.06

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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.