Home / 1,320,444.17-1,981,402.16-713,220.23

Finding the Fourth Proportional to 1,320,444.17, 1,981,402.16 and 713,220.23

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Solution

The fourth proportional to 1,320,444.17, 1,981,402.16 and 713,220.23 is: 1,070,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,444.17 : 1,981,402.16 = 713,220.23 : x
  2. Step 2: Convert to fraction form
    1,320,444.17/1,981,402.16 = 713,220.23/x
  3. Step 3: Cross multiply
    1,320,444.17x = 1,981,402.16 × 713,220.23
  4. Step 4: Simplify right side
    1,320,444.17x = 1,413,176,090,804.59
  5. Step 5: Solve for x
    x = 1,413,176,090,804.59/1,320,444.17
  6. Step 6: Final answer
    x = 1,070,227.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.