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Finding the Fourth Proportional to 1,143,993, 1,716,465.42 and 503,969.16

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Solution

The fourth proportional to 1,143,993, 1,716,465.42 and 503,969.16 is: 756,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,993 : 1,716,465.42 = 503,969.16 : x
  2. Step 2: Convert to fraction form
    1,143,993/1,716,465.42 = 503,969.16/x
  3. Step 3: Cross multiply
    1,143,993x = 1,716,465.42 × 503,969.16
  4. Step 4: Simplify right side
    1,143,993x = 865,045,635,886.45
  5. Step 5: Solve for x
    x = 865,045,635,886.45/1,143,993
  6. Step 6: Final answer
    x = 756,163.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.