Home / 989,905.73-1,366,070.78-537,196.73

Finding the Fourth Proportional to 989,905.73, 1,366,070.78 and 537,196.73

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Solution

The fourth proportional to 989,905.73, 1,366,070.78 and 537,196.73 is: 741,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,905.73 : 1,366,070.78 = 537,196.73 : x
  2. Step 2: Convert to fraction form
    989,905.73/1,366,070.78 = 537,196.73/x
  3. Step 3: Cross multiply
    989,905.73x = 1,366,070.78 × 537,196.73
  4. Step 4: Simplify right side
    989,905.73x = 733,848,755,964.55
  5. Step 5: Solve for x
    x = 733,848,755,964.55/989,905.73
  6. Step 6: Final answer
    x = 741,331.96

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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.