Home / 1,182,643.30-1,774,584.60-543,140.20

Finding the Fourth Proportional to 1,182,643.30, 1,774,584.60 and 543,140.20

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Solution

The fourth proportional to 1,182,643.30, 1,774,584.60 and 543,140.20 is: 814,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,643.30 : 1,774,584.60 = 543,140.20 : x
  2. Step 2: Convert to fraction form
    1,182,643.30/1,774,584.60 = 543,140.20/x
  3. Step 3: Cross multiply
    1,182,643.30x = 1,774,584.60 × 543,140.20
  4. Step 4: Simplify right side
    1,182,643.30x = 963,848,234,560.92
  5. Step 5: Solve for x
    x = 963,848,234,560.92/1,182,643.30
  6. Step 6: Final answer
    x = 814,994.88

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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.