Home / 982,589.40-1,355,999.85-552,884.76

Finding the Fourth Proportional to 982,589.40, 1,355,999.85 and 552,884.76

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Solution

The fourth proportional to 982,589.40, 1,355,999.85 and 552,884.76 is: 762,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,589.40 : 1,355,999.85 = 552,884.76 : x
  2. Step 2: Convert to fraction form
    982,589.40/1,355,999.85 = 552,884.76/x
  3. Step 3: Cross multiply
    982,589.40x = 1,355,999.85 × 552,884.76
  4. Step 4: Simplify right side
    982,589.40x = 749,711,651,627.29
  5. Step 5: Solve for x
    x = 749,711,651,627.29/982,589.40
  6. Step 6: Final answer
    x = 762,995.87

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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.