Home / 724,228.40-1,086,342.60-537,604.40

Finding the Fourth Proportional to 724,228.40, 1,086,342.60 and 537,604.40

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Solution

The fourth proportional to 724,228.40, 1,086,342.60 and 537,604.40 is: 806,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,228.40 : 1,086,342.60 = 537,604.40 : x
  2. Step 2: Convert to fraction form
    724,228.40/1,086,342.60 = 537,604.40/x
  3. Step 3: Cross multiply
    724,228.40x = 1,086,342.60 × 537,604.40
  4. Step 4: Simplify right side
    724,228.40x = 584,022,561,667.44
  5. Step 5: Solve for x
    x = 584,022,561,667.44/724,228.40
  6. Step 6: Final answer
    x = 806,406.60

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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.