Home / 1,665,134.47-2,495,690.34-810,926.11

Finding the Fourth Proportional to 1,665,134.47, 2,495,690.34 and 810,926.11

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Solution

The fourth proportional to 1,665,134.47, 2,495,690.34 and 810,926.11 is: 1,215,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,134.47 : 2,495,690.34 = 810,926.11 : x
  2. Step 2: Convert to fraction form
    1,665,134.47/2,495,690.34 = 810,926.11/x
  3. Step 3: Cross multiply
    1,665,134.47x = 2,495,690.34 × 810,926.11
  4. Step 4: Simplify right side
    1,665,134.47x = 2,023,820,459,180.78
  5. Step 5: Solve for x
    x = 2,023,820,459,180.78/1,665,134.47
  6. Step 6: Final answer
    x = 1,215,409.62

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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.