Home / 631,037.81-946,556.72-187,805.81

Finding the Fourth Proportional to 631,037.81, 946,556.72 and 187,805.81

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Solution

The fourth proportional to 631,037.81, 946,556.72 and 187,805.81 is: 281,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,037.81 : 946,556.72 = 187,805.81 : x
  2. Step 2: Convert to fraction form
    631,037.81/946,556.72 = 187,805.81/x
  3. Step 3: Cross multiply
    631,037.81x = 946,556.72 × 187,805.81
  4. Step 4: Simplify right side
    631,037.81x = 177,768,853,642.18
  5. Step 5: Solve for x
    x = 177,768,853,642.18/631,037.81
  6. Step 6: Final answer
    x = 281,708.72

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