Home / 347,442.26-520,484.64-239,352.55

Finding the Fourth Proportional to 347,442.26, 520,484.64 and 239,352.55

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Solution

The fourth proportional to 347,442.26, 520,484.64 and 239,352.55 is: 358,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,442.26 : 520,484.64 = 239,352.55 : x
  2. Step 2: Convert to fraction form
    347,442.26/520,484.64 = 239,352.55/x
  3. Step 3: Cross multiply
    347,442.26x = 520,484.64 × 239,352.55
  4. Step 4: Simplify right side
    347,442.26x = 124,579,327,895.13
  5. Step 5: Solve for x
    x = 124,579,327,895.13/347,442.26
  6. Step 6: Final answer
    x = 358,561.24

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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.