Home / 578,315.70-867,507.57-223,331.58

Finding the Fourth Proportional to 578,315.70, 867,507.57 and 223,331.58

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Solution

The fourth proportional to 578,315.70, 867,507.57 and 223,331.58 is: 335,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,315.70 : 867,507.57 = 223,331.58 : x
  2. Step 2: Convert to fraction form
    578,315.70/867,507.57 = 223,331.58/x
  3. Step 3: Cross multiply
    578,315.70x = 867,507.57 × 223,331.58
  4. Step 4: Simplify right side
    578,315.70x = 193,741,836,270.06
  5. Step 5: Solve for x
    x = 193,741,836,270.06/578,315.70
  6. Step 6: Final answer
    x = 335,010.51

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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.