Home / 1,265,226.12-1,897,840.44-517,272.12

Finding the Fourth Proportional to 1,265,226.12, 1,897,840.44 and 517,272.12

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Solution

The fourth proportional to 1,265,226.12, 1,897,840.44 and 517,272.12 is: 775,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,226.12 : 1,897,840.44 = 517,272.12 : x
  2. Step 2: Convert to fraction form
    1,265,226.12/1,897,840.44 = 517,272.12/x
  3. Step 3: Cross multiply
    1,265,226.12x = 1,897,840.44 × 517,272.12
  4. Step 4: Simplify right side
    1,265,226.12x = 981,699,947,820.53
  5. Step 5: Solve for x
    x = 981,699,947,820.53/1,265,226.12
  6. Step 6: Final answer
    x = 775,908.70

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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.