Home / 689,034.76-950,850.24-383,095.33

Finding the Fourth Proportional to 689,034.76, 950,850.24 and 383,095.33

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Solution

The fourth proportional to 689,034.76, 950,850.24 and 383,095.33 is: 528,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,034.76 : 950,850.24 = 383,095.33 : x
  2. Step 2: Convert to fraction form
    689,034.76/950,850.24 = 383,095.33/x
  3. Step 3: Cross multiply
    689,034.76x = 950,850.24 × 383,095.33
  4. Step 4: Simplify right side
    689,034.76x = 364,266,286,473.38
  5. Step 5: Solve for x
    x = 364,266,286,473.38/689,034.76
  6. Step 6: Final answer
    x = 528,661.70

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Half scale
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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.