Home / 1,284,406.41-1,772,539.20-711,446.52

Finding the Fourth Proportional to 1,284,406.41, 1,772,539.20 and 711,446.52

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Solution

The fourth proportional to 1,284,406.41, 1,772,539.20 and 711,446.52 is: 981,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,406.41 : 1,772,539.20 = 711,446.52 : x
  2. Step 2: Convert to fraction form
    1,284,406.41/1,772,539.20 = 711,446.52/x
  3. Step 3: Cross multiply
    1,284,406.41x = 1,772,539.20 × 711,446.52
  4. Step 4: Simplify right side
    1,284,406.41x = 1,261,066,845,403.58
  5. Step 5: Solve for x
    x = 1,261,066,845,403.58/1,284,406.41
  6. Step 6: Final answer
    x = 981,828.52

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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.