Home / 778,214.20-1,166,227.80-618,563.20

Finding the Fourth Proportional to 778,214.20, 1,166,227.80 and 618,563.20

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Solution

The fourth proportional to 778,214.20, 1,166,227.80 and 618,563.20 is: 926,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,214.20 : 1,166,227.80 = 618,563.20 : x
  2. Step 2: Convert to fraction form
    778,214.20/1,166,227.80 = 618,563.20/x
  3. Step 3: Cross multiply
    778,214.20x = 1,166,227.80 × 618,563.20
  4. Step 4: Simplify right side
    778,214.20x = 721,385,599,896.96
  5. Step 5: Solve for x
    x = 721,385,599,896.96/778,214.20
  6. Step 6: Final answer
    x = 926,975.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.