Home / 946,214.16-1,305,806.40-516,517.20

Finding the Fourth Proportional to 946,214.16, 1,305,806.40 and 516,517.20

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Solution

The fourth proportional to 946,214.16, 1,305,806.40 and 516,517.20 is: 712,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,214.16 : 1,305,806.40 = 516,517.20 : x
  2. Step 2: Convert to fraction form
    946,214.16/1,305,806.40 = 516,517.20/x
  3. Step 3: Cross multiply
    946,214.16x = 1,305,806.40 × 516,517.20
  4. Step 4: Simplify right side
    946,214.16x = 674,471,465,470.08
  5. Step 5: Solve for x
    x = 674,471,465,470.08/946,214.16
  6. Step 6: Final answer
    x = 712,810.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.