Home / 804,014.80-1,206,022.20-488,568.40

Finding the Fourth Proportional to 804,014.80, 1,206,022.20 and 488,568.40

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Solution

The fourth proportional to 804,014.80, 1,206,022.20 and 488,568.40 is: 732,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,014.80 : 1,206,022.20 = 488,568.40 : x
  2. Step 2: Convert to fraction form
    804,014.80/1,206,022.20 = 488,568.40/x
  3. Step 3: Cross multiply
    804,014.80x = 1,206,022.20 × 488,568.40
  4. Step 4: Simplify right side
    804,014.80x = 589,224,336,618.48
  5. Step 5: Solve for x
    x = 589,224,336,618.48/804,014.80
  6. Step 6: Final answer
    x = 732,852.60

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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.