Home / 778,214.70-1,166,228.55-618,563.70

Finding the Fourth Proportional to 778,214.70, 1,166,228.55 and 618,563.70

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Solution

The fourth proportional to 778,214.70, 1,166,228.55 and 618,563.70 is: 926,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,214.70 : 1,166,228.55 = 618,563.70 : x
  2. Step 2: Convert to fraction form
    778,214.70/1,166,228.55 = 618,563.70/x
  3. Step 3: Cross multiply
    778,214.70x = 1,166,228.55 × 618,563.70
  4. Step 4: Simplify right side
    778,214.70x = 721,386,646,933.64
  5. Step 5: Solve for x
    x = 721,386,646,933.64/778,214.70
  6. Step 6: Final answer
    x = 926,976.38

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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.