Home / 783,425.98-1,081,458.60-529,121.62

Finding the Fourth Proportional to 783,425.98, 1,081,458.60 and 529,121.62

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Solution

The fourth proportional to 783,425.98, 1,081,458.60 and 529,121.62 is: 730,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,425.98 : 1,081,458.60 = 529,121.62 : x
  2. Step 2: Convert to fraction form
    783,425.98/1,081,458.60 = 529,121.62/x
  3. Step 3: Cross multiply
    783,425.98x = 1,081,458.60 × 529,121.62
  4. Step 4: Simplify right side
    783,425.98x = 572,223,126,394.93
  5. Step 5: Solve for x
    x = 572,223,126,394.93/783,425.98
  6. Step 6: Final answer
    x = 730,411.22

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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.