Home / 1,439,541.32-1,986,630.90-827,892.68

Finding the Fourth Proportional to 1,439,541.32, 1,986,630.90 and 827,892.68

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Solution

The fourth proportional to 1,439,541.32, 1,986,630.90 and 827,892.68 is: 1,142,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,541.32 : 1,986,630.90 = 827,892.68 : x
  2. Step 2: Convert to fraction form
    1,439,541.32/1,986,630.90 = 827,892.68/x
  3. Step 3: Cross multiply
    1,439,541.32x = 1,986,630.90 × 827,892.68
  4. Step 4: Simplify right side
    1,439,541.32x = 1,644,717,179,971.81
  5. Step 5: Solve for x
    x = 1,644,717,179,971.81/1,439,541.32
  6. Step 6: Final answer
    x = 1,142,528.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.