Home / 814,140.51-1,122,778.63-508,245.27

Finding the Fourth Proportional to 814,140.51, 1,122,778.63 and 508,245.27

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Solution

The fourth proportional to 814,140.51, 1,122,778.63 and 508,245.27 is: 700,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,140.51 : 1,122,778.63 = 508,245.27 : x
  2. Step 2: Convert to fraction form
    814,140.51/1,122,778.63 = 508,245.27/x
  3. Step 3: Cross multiply
    814,140.51x = 1,122,778.63 × 508,245.27
  4. Step 4: Simplify right side
    814,140.51x = 570,646,927,954.58
  5. Step 5: Solve for x
    x = 570,646,927,954.58/814,140.51
  6. Step 6: Final answer
    x = 700,919.46

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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.