Home / 509,275.32-702,554.22-339,291.96

Finding the Fourth Proportional to 509,275.32, 702,554.22 and 339,291.96

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Solution

The fourth proportional to 509,275.32, 702,554.22 and 339,291.96 is: 468,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,275.32 : 702,554.22 = 339,291.96 : x
  2. Step 2: Convert to fraction form
    509,275.32/702,554.22 = 339,291.96/x
  3. Step 3: Cross multiply
    509,275.32x = 702,554.22 × 339,291.96
  4. Step 4: Simplify right side
    509,275.32x = 238,370,998,310.07
  5. Step 5: Solve for x
    x = 238,370,998,310.07/509,275.32
  6. Step 6: Final answer
    x = 468,059.20

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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.