Home / 834,412.76-1,151,512.26-471,890.84

Finding the Fourth Proportional to 834,412.76, 1,151,512.26 and 471,890.84

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Solution

The fourth proportional to 834,412.76, 1,151,512.26 and 471,890.84 is: 651,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,412.76 : 1,151,512.26 = 471,890.84 : x
  2. Step 2: Convert to fraction form
    834,412.76/1,151,512.26 = 471,890.84/x
  3. Step 3: Cross multiply
    834,412.76x = 1,151,512.26 × 471,890.84
  4. Step 4: Simplify right side
    834,412.76x = 543,388,081,884.14
  5. Step 5: Solve for x
    x = 543,388,081,884.14/834,412.76
  6. Step 6: Final answer
    x = 651,222.16

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Double scale
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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.