Home / 591,330.98-883,756.69-431,743.37

Finding the Fourth Proportional to 591,330.98, 883,756.69 and 431,743.37

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Solution

The fourth proportional to 591,330.98, 883,756.69 and 431,743.37 is: 645,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,330.98 : 883,756.69 = 431,743.37 : x
  2. Step 2: Convert to fraction form
    591,330.98/883,756.69 = 431,743.37/x
  3. Step 3: Cross multiply
    591,330.98x = 883,756.69 × 431,743.37
  4. Step 4: Simplify right side
    591,330.98x = 381,556,092,730.68
  5. Step 5: Solve for x
    x = 381,556,092,730.68/591,330.98
  6. Step 6: Final answer
    x = 645,249.63

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.