Home / 1,227,040.42-1,840,852.73-618,333.11

Finding the Fourth Proportional to 1,227,040.42, 1,840,852.73 and 618,333.11

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Solution

The fourth proportional to 1,227,040.42, 1,840,852.73 and 618,333.11 is: 927,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,040.42 : 1,840,852.73 = 618,333.11 : x
  2. Step 2: Convert to fraction form
    1,227,040.42/1,840,852.73 = 618,333.11/x
  3. Step 3: Cross multiply
    1,227,040.42x = 1,840,852.73 × 618,333.11
  4. Step 4: Simplify right side
    1,227,040.42x = 1,138,260,199,740.86
  5. Step 5: Solve for x
    x = 1,138,260,199,740.86/1,227,040.42
  6. Step 6: Final answer
    x = 927,646.87

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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.