Home / 519,132.60-778,814.10-238,582.20

Finding the Fourth Proportional to 519,132.60, 778,814.10 and 238,582.20

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Solution

The fourth proportional to 519,132.60, 778,814.10 and 238,582.20 is: 357,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,132.60 : 778,814.10 = 238,582.20 : x
  2. Step 2: Convert to fraction form
    519,132.60/778,814.10 = 238,582.20/x
  3. Step 3: Cross multiply
    519,132.60x = 778,814.10 × 238,582.20
  4. Step 4: Simplify right side
    519,132.60x = 185,811,181,369.02
  5. Step 5: Solve for x
    x = 185,811,181,369.02/519,132.60
  6. Step 6: Final answer
    x = 357,926.24

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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.