Home / 834,171.89-1,151,112.44-471,574.13

Finding the Fourth Proportional to 834,171.89, 1,151,112.44 and 471,574.13

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Solution

The fourth proportional to 834,171.89, 1,151,112.44 and 471,574.13 is: 650,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,171.89 : 1,151,112.44 = 471,574.13 : x
  2. Step 2: Convert to fraction form
    834,171.89/1,151,112.44 = 471,574.13/x
  3. Step 3: Cross multiply
    834,171.89x = 1,151,112.44 × 471,574.13
  4. Step 4: Simplify right side
    834,171.89x = 542,834,842,848.55
  5. Step 5: Solve for x
    x = 542,834,842,848.55/834,171.89
  6. Step 6: Final answer
    x = 650,746.99

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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.