Home / 842,789.19-1,163,365.35-552,419.46

Finding the Fourth Proportional to 842,789.19, 1,163,365.35 and 552,419.46

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Solution

The fourth proportional to 842,789.19, 1,163,365.35 and 552,419.46 is: 762,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,789.19 : 1,163,365.35 = 552,419.46 : x
  2. Step 2: Convert to fraction form
    842,789.19/1,163,365.35 = 552,419.46/x
  3. Step 3: Cross multiply
    842,789.19x = 1,163,365.35 × 552,419.46
  4. Step 4: Simplify right side
    842,789.19x = 642,665,658,429.71
  5. Step 5: Solve for x
    x = 642,665,658,429.71/842,789.19
  6. Step 6: Final answer
    x = 762,546.16

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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.