Home / 809,240.80-1,215,173.40-586,166.80

Finding the Fourth Proportional to 809,240.80, 1,215,173.40 and 586,166.80

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Solution

The fourth proportional to 809,240.80, 1,215,173.40 and 586,166.80 is: 880,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,240.80 : 1,215,173.40 = 586,166.80 : x
  2. Step 2: Convert to fraction form
    809,240.80/1,215,173.40 = 586,166.80/x
  3. Step 3: Cross multiply
    809,240.80x = 1,215,173.40 × 586,166.80
  4. Step 4: Simplify right side
    809,240.80x = 712,294,303,323.12
  5. Step 5: Solve for x
    x = 712,294,303,323.12/809,240.80
  6. Step 6: Final answer
    x = 880,200.68

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Double scale
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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.