Home / 654,942.98-903,748.19-368,456.92

Finding the Fourth Proportional to 654,942.98, 903,748.19 and 368,456.92

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Solution

The fourth proportional to 654,942.98, 903,748.19 and 368,456.92 is: 508,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,942.98 : 903,748.19 = 368,456.92 : x
  2. Step 2: Convert to fraction form
    654,942.98/903,748.19 = 368,456.92/x
  3. Step 3: Cross multiply
    654,942.98x = 903,748.19 × 368,456.92
  4. Step 4: Simplify right side
    654,942.98x = 332,992,270,441.32
  5. Step 5: Solve for x
    x = 332,992,270,441.32/654,942.98
  6. Step 6: Final answer
    x = 508,429.40

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Double scale
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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.