Home / 989,905.68-1,366,069.82-537,196.68

Finding the Fourth Proportional to 989,905.68, 1,366,069.82 and 537,196.68

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Solution

The fourth proportional to 989,905.68, 1,366,069.82 and 537,196.68 is: 741,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,905.68 : 1,366,069.82 = 537,196.68 : x
  2. Step 2: Convert to fraction form
    989,905.68/1,366,069.82 = 537,196.68/x
  3. Step 3: Cross multiply
    989,905.68x = 1,366,069.82 × 537,196.68
  4. Step 4: Simplify right side
    989,905.68x = 733,848,169,266.21
  5. Step 5: Solve for x
    x = 733,848,169,266.21/989,905.68
  6. Step 6: Final answer
    x = 741,331.41

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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.