Home / 982,065.12-1,355,236.52-552,345.14

Finding the Fourth Proportional to 982,065.12, 1,355,236.52 and 552,345.14

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Solution

The fourth proportional to 982,065.12, 1,355,236.52 and 552,345.14 is: 762,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,065.12 : 1,355,236.52 = 552,345.14 : x
  2. Step 2: Convert to fraction form
    982,065.12/1,355,236.52 = 552,345.14/x
  3. Step 3: Cross multiply
    982,065.12x = 1,355,236.52 × 552,345.14
  4. Step 4: Simplify right side
    982,065.12x = 748,558,295,834.61
  5. Step 5: Solve for x
    x = 748,558,295,834.61/982,065.12
  6. Step 6: Final answer
    x = 762,228.78

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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.