Home / 689,240.14-951,096.26-383,317.11

Finding the Fourth Proportional to 689,240.14, 951,096.26 and 383,317.11

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Solution

The fourth proportional to 689,240.14, 951,096.26 and 383,317.11 is: 528,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,240.14 : 951,096.26 = 383,317.11 : x
  2. Step 2: Convert to fraction form
    689,240.14/951,096.26 = 383,317.11/x
  3. Step 3: Cross multiply
    689,240.14x = 951,096.26 × 383,317.11
  4. Step 4: Simplify right side
    689,240.14x = 364,571,470,673.30
  5. Step 5: Solve for x
    x = 364,571,470,673.30/689,240.14
  6. Step 6: Final answer
    x = 528,946.95

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Double scale
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Similar ratio
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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.