Home / 1,135,552.13-1,702,487.40-686,167.77

Finding the Fourth Proportional to 1,135,552.13, 1,702,487.40 and 686,167.77

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Solution

The fourth proportional to 1,135,552.13, 1,702,487.40 and 686,167.77 is: 1,028,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,552.13 : 1,702,487.40 = 686,167.77 : x
  2. Step 2: Convert to fraction form
    1,135,552.13/1,702,487.40 = 686,167.77/x
  3. Step 3: Cross multiply
    1,135,552.13x = 1,702,487.40 × 686,167.77
  4. Step 4: Simplify right side
    1,135,552.13x = 1,168,191,982,711.10
  5. Step 5: Solve for x
    x = 1,168,191,982,711.10/1,135,552.13
  6. Step 6: Final answer
    x = 1,028,743.60

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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.