Home / 628,065.66-941,956.98-178,776.57

Finding the Fourth Proportional to 628,065.66, 941,956.98 and 178,776.57

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Solution

The fourth proportional to 628,065.66, 941,956.98 and 178,776.57 is: 268,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,065.66 : 941,956.98 = 178,776.57 : x
  2. Step 2: Convert to fraction form
    628,065.66/941,956.98 = 178,776.57/x
  3. Step 3: Cross multiply
    628,065.66x = 941,956.98 × 178,776.57
  4. Step 4: Simplify right side
    628,065.66x = 168,399,837,971.96
  5. Step 5: Solve for x
    x = 168,399,837,971.96/628,065.66
  6. Step 6: Final answer
    x = 268,124.57

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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.