Home / 1,092,111.60-1,638,167.40-985,823.40

Finding the Fourth Proportional to 1,092,111.60, 1,638,167.40 and 985,823.40

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Solution

The fourth proportional to 1,092,111.60, 1,638,167.40 and 985,823.40 is: 1,478,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,111.60 : 1,638,167.40 = 985,823.40 : x
  2. Step 2: Convert to fraction form
    1,092,111.60/1,638,167.40 = 985,823.40/x
  3. Step 3: Cross multiply
    1,092,111.60x = 1,638,167.40 × 985,823.40
  4. Step 4: Simplify right side
    1,092,111.60x = 1,614,943,756,037.16
  5. Step 5: Solve for x
    x = 1,614,943,756,037.16/1,092,111.60
  6. Step 6: Final answer
    x = 1,478,735.10

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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.