Home / 806,899.20-1,210,348.80-453,004.80

Finding the Fourth Proportional to 806,899.20, 1,210,348.80 and 453,004.80

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Solution

The fourth proportional to 806,899.20, 1,210,348.80 and 453,004.80 is: 679,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,899.20 : 1,210,348.80 = 453,004.80 : x
  2. Step 2: Convert to fraction form
    806,899.20/1,210,348.80 = 453,004.80/x
  3. Step 3: Cross multiply
    806,899.20x = 1,210,348.80 × 453,004.80
  4. Step 4: Simplify right side
    806,899.20x = 548,293,816,074.24
  5. Step 5: Solve for x
    x = 548,293,816,074.24/806,899.20
  6. Step 6: Final answer
    x = 679,507.20

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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.