Home / 520,266.24-779,863.68-204,595.20

Finding the Fourth Proportional to 520,266.24, 779,863.68 and 204,595.20

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Solution

The fourth proportional to 520,266.24, 779,863.68 and 204,595.20 is: 306,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,266.24 : 779,863.68 = 204,595.20 : x
  2. Step 2: Convert to fraction form
    520,266.24/779,863.68 = 204,595.20/x
  3. Step 3: Cross multiply
    520,266.24x = 779,863.68 × 204,595.20
  4. Step 4: Simplify right side
    520,266.24x = 159,556,365,582.34
  5. Step 5: Solve for x
    x = 159,556,365,582.34/520,266.24
  6. Step 6: Final answer
    x = 306,682.14

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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.