Home / 927,246.80-1,389,833.40-394,677.20

Finding the Fourth Proportional to 927,246.80, 1,389,833.40 and 394,677.20

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Solution

The fourth proportional to 927,246.80, 1,389,833.40 and 394,677.20 is: 591,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,246.80 : 1,389,833.40 = 394,677.20 : x
  2. Step 2: Convert to fraction form
    927,246.80/1,389,833.40 = 394,677.20/x
  3. Step 3: Cross multiply
    927,246.80x = 1,389,833.40 × 394,677.20
  4. Step 4: Simplify right side
    927,246.80x = 548,535,554,778.48
  5. Step 5: Solve for x
    x = 548,535,554,778.48/927,246.80
  6. Step 6: Final answer
    x = 591,574.49

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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.