Home / 576,540.16-795,631.39-318,423.59

Finding the Fourth Proportional to 576,540.16, 795,631.39 and 318,423.59

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Solution

The fourth proportional to 576,540.16, 795,631.39 and 318,423.59 is: 439,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,540.16 : 795,631.39 = 318,423.59 : x
  2. Step 2: Convert to fraction form
    576,540.16/795,631.39 = 318,423.59/x
  3. Step 3: Cross multiply
    576,540.16x = 795,631.39 × 318,423.59
  4. Step 4: Simplify right side
    576,540.16x = 253,347,803,521.03
  5. Step 5: Solve for x
    x = 253,347,803,521.03/576,540.16
  6. Step 6: Final answer
    x = 439,427.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.