Home / 1,200,672.29-1,656,927.21-656,807.96

Finding the Fourth Proportional to 1,200,672.29, 1,656,927.21 and 656,807.96

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Solution

The fourth proportional to 1,200,672.29, 1,656,927.21 and 656,807.96 is: 906,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,672.29 : 1,656,927.21 = 656,807.96 : x
  2. Step 2: Convert to fraction form
    1,200,672.29/1,656,927.21 = 656,807.96/x
  3. Step 3: Cross multiply
    1,200,672.29x = 1,656,927.21 × 656,807.96
  4. Step 4: Simplify right side
    1,200,672.29x = 1,088,282,972,383.96
  5. Step 5: Solve for x
    x = 1,088,282,972,383.96/1,200,672.29
  6. Step 6: Final answer
    x = 906,394.68

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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.