Home / 409,639.86-614,033.43-229,461.13

Finding the Fourth Proportional to 409,639.86, 614,033.43 and 229,461.13

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Solution

The fourth proportional to 409,639.86, 614,033.43 and 229,461.13 is: 343,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,639.86 : 614,033.43 = 229,461.13 : x
  2. Step 2: Convert to fraction form
    409,639.86/614,033.43 = 229,461.13/x
  3. Step 3: Cross multiply
    409,639.86x = 614,033.43 × 229,461.13
  4. Step 4: Simplify right side
    409,639.86x = 140,896,804,821.75
  5. Step 5: Solve for x
    x = 140,896,804,821.75/409,639.86
  6. Step 6: Final answer
    x = 343,952.87

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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.