Home / 982,347.12-1,355,717.72-552,601.60

Finding the Fourth Proportional to 982,347.12, 1,355,717.72 and 552,601.60

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Solution

The fourth proportional to 982,347.12, 1,355,717.72 and 552,601.60 is: 762,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,347.12 : 1,355,717.72 = 552,601.60 : x
  2. Step 2: Convert to fraction form
    982,347.12/1,355,717.72 = 552,601.60/x
  3. Step 3: Cross multiply
    982,347.12x = 1,355,717.72 × 552,601.60
  4. Step 4: Simplify right side
    982,347.12x = 749,171,781,220.35
  5. Step 5: Solve for x
    x = 749,171,781,220.35/982,347.12
  6. Step 6: Final answer
    x = 762,634.48

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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.