Home / 1,008,068.60-1,512,735.78-409,032.20

Finding the Fourth Proportional to 1,008,068.60, 1,512,735.78 and 409,032.20

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Solution

The fourth proportional to 1,008,068.60, 1,512,735.78 and 409,032.20 is: 613,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,068.60 : 1,512,735.78 = 409,032.20 : x
  2. Step 2: Convert to fraction form
    1,008,068.60/1,512,735.78 = 409,032.20/x
  3. Step 3: Cross multiply
    1,008,068.60x = 1,512,735.78 × 409,032.20
  4. Step 4: Simplify right side
    1,008,068.60x = 618,757,644,112.12
  5. Step 5: Solve for x
    x = 618,757,644,112.12/1,008,068.60
  6. Step 6: Final answer
    x = 613,805.10

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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.