Home / 834,321.80-1,151,386.76-471,799.92

Finding the Fourth Proportional to 834,321.80, 1,151,386.76 and 471,799.92

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Solution

The fourth proportional to 834,321.80, 1,151,386.76 and 471,799.92 is: 651,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,321.80 : 1,151,386.76 = 471,799.92 : x
  2. Step 2: Convert to fraction form
    834,321.80/1,151,386.76 = 471,799.92/x
  3. Step 3: Cross multiply
    834,321.80x = 1,151,386.76 × 471,799.92
  4. Step 4: Simplify right side
    834,321.80x = 543,224,181,257.06
  5. Step 5: Solve for x
    x = 543,224,181,257.06/834,321.80
  6. Step 6: Final answer
    x = 651,096.71

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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.