Home / 578,927.38-867,816.37-274,788.58

Finding the Fourth Proportional to 578,927.38, 867,816.37 and 274,788.58

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Solution

The fourth proportional to 578,927.38, 867,816.37 and 274,788.58 is: 411,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,927.38 : 867,816.37 = 274,788.58 : x
  2. Step 2: Convert to fraction form
    578,927.38/867,816.37 = 274,788.58/x
  3. Step 3: Cross multiply
    578,927.38x = 867,816.37 × 274,788.58
  4. Step 4: Simplify right side
    578,927.38x = 238,466,028,013.06
  5. Step 5: Solve for x
    x = 238,466,028,013.06/578,927.38
  6. Step 6: Final answer
    x = 411,910.09

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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.