Home / 930,689.20-1,396,033.80-836,210.80

Finding the Fourth Proportional to 930,689.20, 1,396,033.80 and 836,210.80

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Solution

The fourth proportional to 930,689.20, 1,396,033.80 and 836,210.80 is: 1,254,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,689.20 : 1,396,033.80 = 836,210.80 : x
  2. Step 2: Convert to fraction form
    930,689.20/1,396,033.80 = 836,210.80/x
  3. Step 3: Cross multiply
    930,689.20x = 1,396,033.80 × 836,210.80
  4. Step 4: Simplify right side
    930,689.20x = 1,167,378,540,725.04
  5. Step 5: Solve for x
    x = 1,167,378,540,725.04/930,689.20
  6. Step 6: Final answer
    x = 1,254,316.20

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Double scale
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Similar ratio
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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.