Home / 1,284,508.36-1,772,597.82-711,535.96

Finding the Fourth Proportional to 1,284,508.36, 1,772,597.82 and 711,535.96

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Solution

The fourth proportional to 1,284,508.36, 1,772,597.82 and 711,535.96 is: 981,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,508.36 : 1,772,597.82 = 711,535.96 : x
  2. Step 2: Convert to fraction form
    1,284,508.36/1,772,597.82 = 711,535.96/x
  3. Step 3: Cross multiply
    1,284,508.36x = 1,772,597.82 × 711,535.96
  4. Step 4: Simplify right side
    1,284,508.36x = 1,261,267,091,547.61
  5. Step 5: Solve for x
    x = 1,261,267,091,547.61/1,284,508.36
  6. Step 6: Final answer
    x = 981,906.49

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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.