Home / 1,652,919.60-2,480,837.40-978,157.20

Finding the Fourth Proportional to 1,652,919.60, 2,480,837.40 and 978,157.20

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Solution

The fourth proportional to 1,652,919.60, 2,480,837.40 and 978,157.20 is: 1,468,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,919.60 : 2,480,837.40 = 978,157.20 : x
  2. Step 2: Convert to fraction form
    1,652,919.60/2,480,837.40 = 978,157.20/x
  3. Step 3: Cross multiply
    1,652,919.60x = 2,480,837.40 × 978,157.20
  4. Step 4: Simplify right side
    1,652,919.60x = 2,426,648,964,839.28
  5. Step 5: Solve for x
    x = 2,426,648,964,839.28/1,652,919.60
  6. Step 6: Final answer
    x = 1,468,098.61

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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.