Home / 479,810.16-719,716.10-124,823.61

Finding the Fourth Proportional to 479,810.16, 719,716.10 and 124,823.61

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Solution

The fourth proportional to 479,810.16, 719,716.10 and 124,823.61 is: 187,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,810.16 : 719,716.10 = 124,823.61 : x
  2. Step 2: Convert to fraction form
    479,810.16/719,716.10 = 124,823.61/x
  3. Step 3: Cross multiply
    479,810.16x = 719,716.10 × 124,823.61
  4. Step 4: Simplify right side
    479,810.16x = 89,837,561,153.00
  5. Step 5: Solve for x
    x = 89,837,561,153.00/479,810.16
  6. Step 6: Final answer
    x = 187,235.64

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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.