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Finding the Fourth Proportional to 1,253,890.88, 1,730,899.16 and 846,544.52

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Solution

The fourth proportional to 1,253,890.88, 1,730,899.16 and 846,544.52 is: 1,168,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,890.88 : 1,730,899.16 = 846,544.52 : x
  2. Step 2: Convert to fraction form
    1,253,890.88/1,730,899.16 = 846,544.52/x
  3. Step 3: Cross multiply
    1,253,890.88x = 1,730,899.16 × 846,544.52
  4. Step 4: Simplify right side
    1,253,890.88x = 1,465,283,185,683.38
  5. Step 5: Solve for x
    x = 1,465,283,185,683.38/1,253,890.88
  6. Step 6: Final answer
    x = 1,168,589.08

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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.