Home / 1,215,836.61-1,678,062.87-706,834.23

Finding the Fourth Proportional to 1,215,836.61, 1,678,062.87 and 706,834.23

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Solution

The fourth proportional to 1,215,836.61, 1,678,062.87 and 706,834.23 is: 975,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,836.61 : 1,678,062.87 = 706,834.23 : x
  2. Step 2: Convert to fraction form
    1,215,836.61/1,678,062.87 = 706,834.23/x
  3. Step 3: Cross multiply
    1,215,836.61x = 1,678,062.87 × 706,834.23
  4. Step 4: Simplify right side
    1,215,836.61x = 1,186,112,276,608.04
  5. Step 5: Solve for x
    x = 1,186,112,276,608.04/1,215,836.61
  6. Step 6: Final answer
    x = 975,552.36

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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.