Home / 578,926.38-867,814.88-274,787.58

Finding the Fourth Proportional to 578,926.38, 867,814.88 and 274,787.58

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Solution

The fourth proportional to 578,926.38, 867,814.88 and 274,787.58 is: 411,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,926.38 : 867,814.88 = 274,787.58 : x
  2. Step 2: Convert to fraction form
    578,926.38/867,814.88 = 274,787.58/x
  3. Step 3: Cross multiply
    578,926.38x = 867,814.88 × 274,787.58
  4. Step 4: Simplify right side
    578,926.38x = 238,464,749,389.25
  5. Step 5: Solve for x
    x = 238,464,749,389.25/578,926.38
  6. Step 6: Final answer
    x = 411,908.59

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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.