Home / 989,901.11-1,366,064.40-537,192.11

Finding the Fourth Proportional to 989,901.11, 1,366,064.40 and 537,192.11

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Solution

The fourth proportional to 989,901.11, 1,366,064.40 and 537,192.11 is: 741,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,901.11 : 1,366,064.40 = 537,192.11 : x
  2. Step 2: Convert to fraction form
    989,901.11/1,366,064.40 = 537,192.11/x
  3. Step 3: Cross multiply
    989,901.11x = 1,366,064.40 × 537,192.11
  4. Step 4: Simplify right side
    989,901.11x = 733,839,017,431.88
  5. Step 5: Solve for x
    x = 733,839,017,431.88/989,901.11
  6. Step 6: Final answer
    x = 741,325.58

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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.