Home / 726,777.90-1,090,215.45-246,998.70

Finding the Fourth Proportional to 726,777.90, 1,090,215.45 and 246,998.70

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Solution

The fourth proportional to 726,777.90, 1,090,215.45 and 246,998.70 is: 370,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,777.90 : 1,090,215.45 = 246,998.70 : x
  2. Step 2: Convert to fraction form
    726,777.90/1,090,215.45 = 246,998.70/x
  3. Step 3: Cross multiply
    726,777.90x = 1,090,215.45 × 246,998.70
  4. Step 4: Simplify right side
    726,777.90x = 269,281,798,869.92
  5. Step 5: Solve for x
    x = 269,281,798,869.92/726,777.90
  6. Step 6: Final answer
    x = 370,514.57

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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.