Home / 515,545.56-773,017.02-195,718.68

Finding the Fourth Proportional to 515,545.56, 773,017.02 and 195,718.68

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Solution

The fourth proportional to 515,545.56, 773,017.02 and 195,718.68 is: 293,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,545.56 : 773,017.02 = 195,718.68 : x
  2. Step 2: Convert to fraction form
    515,545.56/773,017.02 = 195,718.68/x
  3. Step 3: Cross multiply
    515,545.56x = 773,017.02 × 195,718.68
  4. Step 4: Simplify right side
    515,545.56x = 151,293,870,771.93
  5. Step 5: Solve for x
    x = 151,293,870,771.93/515,545.56
  6. Step 6: Final answer
    x = 293,463.63

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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.