Home / 807,865.60-1,211,798.40-246,899.20

Finding the Fourth Proportional to 807,865.60, 1,211,798.40 and 246,899.20

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Solution

The fourth proportional to 807,865.60, 1,211,798.40 and 246,899.20 is: 370,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,865.60 : 1,211,798.40 = 246,899.20 : x
  2. Step 2: Convert to fraction form
    807,865.60/1,211,798.40 = 246,899.20/x
  3. Step 3: Cross multiply
    807,865.60x = 1,211,798.40 × 246,899.20
  4. Step 4: Simplify right side
    807,865.60x = 299,192,055,521.28
  5. Step 5: Solve for x
    x = 299,192,055,521.28/807,865.60
  6. Step 6: Final answer
    x = 370,348.80

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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.