Home / 1,314,117.52-1,813,481.84-741,156.40

Finding the Fourth Proportional to 1,314,117.52, 1,813,481.84 and 741,156.40

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Solution

The fourth proportional to 1,314,117.52, 1,813,481.84 and 741,156.40 is: 1,022,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,117.52 : 1,813,481.84 = 741,156.40 : x
  2. Step 2: Convert to fraction form
    1,314,117.52/1,813,481.84 = 741,156.40/x
  3. Step 3: Cross multiply
    1,314,117.52x = 1,813,481.84 × 741,156.40
  4. Step 4: Simplify right side
    1,314,117.52x = 1,344,073,671,999.78
  5. Step 5: Solve for x
    x = 1,344,073,671,999.78/1,314,117.52
  6. Step 6: Final answer
    x = 1,022,795.64

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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.