Home / 519,062.20-778,117.60-181,919.08

Finding the Fourth Proportional to 519,062.20, 778,117.60 and 181,919.08

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Solution

The fourth proportional to 519,062.20, 778,117.60 and 181,919.08 is: 272,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,062.20 : 778,117.60 = 181,919.08 : x
  2. Step 2: Convert to fraction form
    519,062.20/778,117.60 = 181,919.08/x
  3. Step 3: Cross multiply
    519,062.20x = 778,117.60 × 181,919.08
  4. Step 4: Simplify right side
    519,062.20x = 141,554,437,923.81
  5. Step 5: Solve for x
    x = 141,554,437,923.81/519,062.20
  6. Step 6: Final answer
    x = 272,711.90

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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.