Home / 825,086.60-1,237,457.10-404,664.20

Finding the Fourth Proportional to 825,086.60, 1,237,457.10 and 404,664.20

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Solution

The fourth proportional to 825,086.60, 1,237,457.10 and 404,664.20 is: 606,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,086.60 : 1,237,457.10 = 404,664.20 : x
  2. Step 2: Convert to fraction form
    825,086.60/1,237,457.10 = 404,664.20/x
  3. Step 3: Cross multiply
    825,086.60x = 1,237,457.10 × 404,664.20
  4. Step 4: Simplify right side
    825,086.60x = 500,754,587,405.82
  5. Step 5: Solve for x
    x = 500,754,587,405.82/825,086.60
  6. Step 6: Final answer
    x = 606,911.55

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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.