Home / 733,638.38-1,012,048.35-479,138.54

Finding the Fourth Proportional to 733,638.38, 1,012,048.35 and 479,138.54

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Solution

The fourth proportional to 733,638.38, 1,012,048.35 and 479,138.54 is: 660,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,638.38 : 1,012,048.35 = 479,138.54 : x
  2. Step 2: Convert to fraction form
    733,638.38/1,012,048.35 = 479,138.54/x
  3. Step 3: Cross multiply
    733,638.38x = 1,012,048.35 × 479,138.54
  4. Step 4: Simplify right side
    733,638.38x = 484,911,368,828.41
  5. Step 5: Solve for x
    x = 484,911,368,828.41/733,638.38
  6. Step 6: Final answer
    x = 660,967.83

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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.