Home / 1,605,340.56-2,408,141.88-806,211.12

Finding the Fourth Proportional to 1,605,340.56, 2,408,141.88 and 806,211.12

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Solution

The fourth proportional to 1,605,340.56, 2,408,141.88 and 806,211.12 is: 1,209,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,340.56 : 2,408,141.88 = 806,211.12 : x
  2. Step 2: Convert to fraction form
    1,605,340.56/2,408,141.88 = 806,211.12/x
  3. Step 3: Cross multiply
    1,605,340.56x = 2,408,141.88 × 806,211.12
  4. Step 4: Simplify right side
    1,605,340.56x = 1,941,470,762,193.71
  5. Step 5: Solve for x
    x = 1,941,470,762,193.71/1,605,340.56
  6. Step 6: Final answer
    x = 1,209,382.49

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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.