Home / 661,938.48-993,327.28-282,861.84

Finding the Fourth Proportional to 661,938.48, 993,327.28 and 282,861.84

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Solution

The fourth proportional to 661,938.48, 993,327.28 and 282,861.84 is: 424,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,938.48 : 993,327.28 = 282,861.84 : x
  2. Step 2: Convert to fraction form
    661,938.48/993,327.28 = 282,861.84/x
  3. Step 3: Cross multiply
    661,938.48x = 993,327.28 × 282,861.84
  4. Step 4: Simplify right side
    661,938.48x = 280,974,382,143.00
  5. Step 5: Solve for x
    x = 280,974,382,143.00/661,938.48
  6. Step 6: Final answer
    x = 424,472.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.