Home / 825,736.42-1,139,457.74-458,233.30

Finding the Fourth Proportional to 825,736.42, 1,139,457.74 and 458,233.30

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Solution

The fourth proportional to 825,736.42, 1,139,457.74 and 458,233.30 is: 632,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,736.42 : 1,139,457.74 = 458,233.30 : x
  2. Step 2: Convert to fraction form
    825,736.42/1,139,457.74 = 458,233.30/x
  3. Step 3: Cross multiply
    825,736.42x = 1,139,457.74 × 458,233.30
  4. Step 4: Simplify right side
    825,736.42x = 522,137,480,410.74
  5. Step 5: Solve for x
    x = 522,137,480,410.74/825,736.42
  6. Step 6: Final answer
    x = 632,329.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.