Home / 989,899.11-1,366,061.64-537,190.11

Finding the Fourth Proportional to 989,899.11, 1,366,061.64 and 537,190.11

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Solution

The fourth proportional to 989,899.11, 1,366,061.64 and 537,190.11 is: 741,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,899.11 : 1,366,061.64 = 537,190.11 : x
  2. Step 2: Convert to fraction form
    989,899.11/1,366,061.64 = 537,190.11/x
  3. Step 3: Cross multiply
    989,899.11x = 1,366,061.64 × 537,190.11
  4. Step 4: Simplify right side
    989,899.11x = 733,834,802,658.38
  5. Step 5: Solve for x
    x = 733,834,802,658.38/989,899.11
  6. Step 6: Final answer
    x = 741,322.82

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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.