Home / 1,241,985.03-1,862,977.55-400,536.78

Finding the Fourth Proportional to 1,241,985.03, 1,862,977.55 and 400,536.78

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Solution

The fourth proportional to 1,241,985.03, 1,862,977.55 and 400,536.78 is: 600,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,985.03 : 1,862,977.55 = 400,536.78 : x
  2. Step 2: Convert to fraction form
    1,241,985.03/1,862,977.55 = 400,536.78/x
  3. Step 3: Cross multiply
    1,241,985.03x = 1,862,977.55 × 400,536.78
  4. Step 4: Simplify right side
    1,241,985.03x = 746,191,027,086.61
  5. Step 5: Solve for x
    x = 746,191,027,086.61/1,241,985.03
  6. Step 6: Final answer
    x = 600,805.17

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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.