Home / 814,112.44-1,220,298.54-434,799.16

Finding the Fourth Proportional to 814,112.44, 1,220,298.54 and 434,799.16

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Solution

The fourth proportional to 814,112.44, 1,220,298.54 and 434,799.16 is: 651,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,112.44 : 1,220,298.54 = 434,799.16 : x
  2. Step 2: Convert to fraction form
    814,112.44/1,220,298.54 = 434,799.16/x
  3. Step 3: Cross multiply
    814,112.44x = 1,220,298.54 × 434,799.16
  4. Step 4: Simplify right side
    814,112.44x = 530,584,780,141.23
  5. Step 5: Solve for x
    x = 530,584,780,141.23/814,112.44
  6. Step 6: Final answer
    x = 651,734.03

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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.