Home / 509,824.20-703,575.36-292,071.72

Finding the Fourth Proportional to 509,824.20, 703,575.36 and 292,071.72

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Solution

The fourth proportional to 509,824.20, 703,575.36 and 292,071.72 is: 403,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,824.20 : 703,575.36 = 292,071.72 : x
  2. Step 2: Convert to fraction form
    509,824.20/703,575.36 = 292,071.72/x
  3. Step 3: Cross multiply
    509,824.20x = 703,575.36 × 292,071.72
  4. Step 4: Simplify right side
    509,824.20x = 205,494,465,544.82
  5. Step 5: Solve for x
    x = 205,494,465,544.82/509,824.20
  6. Step 6: Final answer
    x = 403,069.26

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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.