Home / 589,330.50-813,276.09-321,058.50

Finding the Fourth Proportional to 589,330.50, 813,276.09 and 321,058.50

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Solution

The fourth proportional to 589,330.50, 813,276.09 and 321,058.50 is: 443,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,330.50 : 813,276.09 = 321,058.50 : x
  2. Step 2: Convert to fraction form
    589,330.50/813,276.09 = 321,058.50/x
  3. Step 3: Cross multiply
    589,330.50x = 813,276.09 × 321,058.50
  4. Step 4: Simplify right side
    589,330.50x = 261,109,201,541.27
  5. Step 5: Solve for x
    x = 261,109,201,541.27/589,330.50
  6. Step 6: Final answer
    x = 443,060.73

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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.