Home / 1,216,512.47-1,678,777.04-700,367.51

Finding the Fourth Proportional to 1,216,512.47, 1,678,777.04 and 700,367.51

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Solution

The fourth proportional to 1,216,512.47, 1,678,777.04 and 700,367.51 is: 966,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,512.47 : 1,678,777.04 = 700,367.51 : x
  2. Step 2: Convert to fraction form
    1,216,512.47/1,678,777.04 = 700,367.51/x
  3. Step 3: Cross multiply
    1,216,512.47x = 1,678,777.04 × 700,367.51
  4. Step 4: Simplify right side
    1,216,512.47x = 1,175,760,891,848.13
  5. Step 5: Solve for x
    x = 1,175,760,891,848.13/1,216,512.47
  6. Step 6: Final answer
    x = 966,501.31

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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.