Home / 1,043,863.60-1,565,795.40-512,422.60

Finding the Fourth Proportional to 1,043,863.60, 1,565,795.40 and 512,422.60

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Solution

The fourth proportional to 1,043,863.60, 1,565,795.40 and 512,422.60 is: 768,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,863.60 : 1,565,795.40 = 512,422.60 : x
  2. Step 2: Convert to fraction form
    1,043,863.60/1,565,795.40 = 512,422.60/x
  3. Step 3: Cross multiply
    1,043,863.60x = 1,565,795.40 × 512,422.60
  4. Step 4: Simplify right side
    1,043,863.60x = 802,348,949,936.04
  5. Step 5: Solve for x
    x = 802,348,949,936.04/1,043,863.60
  6. Step 6: Final answer
    x = 768,633.90

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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.