Home / 1,117,222.12-1,541,497.78-658,355.48

Finding the Fourth Proportional to 1,117,222.12, 1,541,497.78 and 658,355.48

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Solution

The fourth proportional to 1,117,222.12, 1,541,497.78 and 658,355.48 is: 908,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,222.12 : 1,541,497.78 = 658,355.48 : x
  2. Step 2: Convert to fraction form
    1,117,222.12/1,541,497.78 = 658,355.48/x
  3. Step 3: Cross multiply
    1,117,222.12x = 1,541,497.78 × 658,355.48
  4. Step 4: Simplify right side
    1,117,222.12x = 1,014,853,510,870.83
  5. Step 5: Solve for x
    x = 1,014,853,510,870.83/1,117,222.12
  6. Step 6: Final answer
    x = 908,372.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.