Home / 1,284,854.28-1,773,024.84-711,860.28

Finding the Fourth Proportional to 1,284,854.28, 1,773,024.84 and 711,860.28

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Solution

The fourth proportional to 1,284,854.28, 1,773,024.84 and 711,860.28 is: 982,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,854.28 : 1,773,024.84 = 711,860.28 : x
  2. Step 2: Convert to fraction form
    1,284,854.28/1,773,024.84 = 711,860.28/x
  3. Step 3: Cross multiply
    1,284,854.28x = 1,773,024.84 × 711,860.28
  4. Step 4: Simplify right side
    1,284,854.28x = 1,262,145,959,049.36
  5. Step 5: Solve for x
    x = 1,262,145,959,049.36/1,284,854.28
  6. Step 6: Final answer
    x = 982,326.15

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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.