Home / 1,006,919.83-1,510,383.80-407,892.43

Finding the Fourth Proportional to 1,006,919.83, 1,510,383.80 and 407,892.43

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Solution

The fourth proportional to 1,006,919.83, 1,510,383.80 and 407,892.43 is: 611,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,919.83 : 1,510,383.80 = 407,892.43 : x
  2. Step 2: Convert to fraction form
    1,006,919.83/1,510,383.80 = 407,892.43/x
  3. Step 3: Cross multiply
    1,006,919.83x = 1,510,383.80 × 407,892.43
  4. Step 4: Simplify right side
    1,006,919.83x = 616,074,118,414.63
  5. Step 5: Solve for x
    x = 616,074,118,414.63/1,006,919.83
  6. Step 6: Final answer
    x = 611,840.29

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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.