Home / 419,160.29-578,426.47-228,169.58

Finding the Fourth Proportional to 419,160.29, 578,426.47 and 228,169.58

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Solution

The fourth proportional to 419,160.29, 578,426.47 and 228,169.58 is: 314,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,160.29 : 578,426.47 = 228,169.58 : x
  2. Step 2: Convert to fraction form
    419,160.29/578,426.47 = 228,169.58/x
  3. Step 3: Cross multiply
    419,160.29x = 578,426.47 × 228,169.58
  4. Step 4: Simplify right side
    419,160.29x = 131,979,321,258.23
  5. Step 5: Solve for x
    x = 131,979,321,258.23/419,160.29
  6. Step 6: Final answer
    x = 314,866.00

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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.