Home / 892,188.30-1,338,152.85-261,036.30

Finding the Fourth Proportional to 892,188.30, 1,338,152.85 and 261,036.30

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Solution

The fourth proportional to 892,188.30, 1,338,152.85 and 261,036.30 is: 391,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,188.30 : 1,338,152.85 = 261,036.30 : x
  2. Step 2: Convert to fraction form
    892,188.30/1,338,152.85 = 261,036.30/x
  3. Step 3: Cross multiply
    892,188.30x = 1,338,152.85 × 261,036.30
  4. Step 4: Simplify right side
    892,188.30x = 349,306,468,798.46
  5. Step 5: Solve for x
    x = 349,306,468,798.46/892,188.30
  6. Step 6: Final answer
    x = 391,516.53

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Double scale
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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.