Home / 1,284,403.91-1,772,535.75-711,444.02

Finding the Fourth Proportional to 1,284,403.91, 1,772,535.75 and 711,444.02

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Solution

The fourth proportional to 1,284,403.91, 1,772,535.75 and 711,444.02 is: 981,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,403.91 : 1,772,535.75 = 711,444.02 : x
  2. Step 2: Convert to fraction form
    1,284,403.91/1,772,535.75 = 711,444.02/x
  3. Step 3: Cross multiply
    1,284,403.91x = 1,772,535.75 × 711,444.02
  4. Step 4: Simplify right side
    1,284,403.91x = 1,261,059,959,573.72
  5. Step 5: Solve for x
    x = 1,261,059,959,573.72/1,284,403.91
  6. Step 6: Final answer
    x = 981,825.07

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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.