Home / 514,766.86-772,116.40-177,812.34

Finding the Fourth Proportional to 514,766.86, 772,116.40 and 177,812.34

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Solution

The fourth proportional to 514,766.86, 772,116.40 and 177,812.34 is: 266,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,766.86 : 772,116.40 = 177,812.34 : x
  2. Step 2: Convert to fraction form
    514,766.86/772,116.40 = 177,812.34/x
  3. Step 3: Cross multiply
    514,766.86x = 772,116.40 × 177,812.34
  4. Step 4: Simplify right side
    514,766.86x = 137,291,823,836.38
  5. Step 5: Solve for x
    x = 137,291,823,836.38/514,766.86
  6. Step 6: Final answer
    x = 266,706.80

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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.