Home / 806,563.20-1,209,844.80-245,596.80

Finding the Fourth Proportional to 806,563.20, 1,209,844.80 and 245,596.80

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Solution

The fourth proportional to 806,563.20, 1,209,844.80 and 245,596.80 is: 368,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,563.20 : 1,209,844.80 = 245,596.80 : x
  2. Step 2: Convert to fraction form
    806,563.20/1,209,844.80 = 245,596.80/x
  3. Step 3: Cross multiply
    806,563.20x = 1,209,844.80 × 245,596.80
  4. Step 4: Simplify right side
    806,563.20x = 297,134,011,376.64
  5. Step 5: Solve for x
    x = 297,134,011,376.64/806,563.20
  6. Step 6: Final answer
    x = 368,395.20

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1.5x scale

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.