Home / 1,216,851.14-1,679,400.59-707,553.51

Finding the Fourth Proportional to 1,216,851.14, 1,679,400.59 and 707,553.51

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Solution

The fourth proportional to 1,216,851.14, 1,679,400.59 and 707,553.51 is: 976,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,851.14 : 1,679,400.59 = 707,553.51 : x
  2. Step 2: Convert to fraction form
    1,216,851.14/1,679,400.59 = 707,553.51/x
  3. Step 3: Cross multiply
    1,216,851.14x = 1,679,400.59 × 707,553.51
  4. Step 4: Simplify right side
    1,216,851.14x = 1,188,265,778,612.80
  5. Step 5: Solve for x
    x = 1,188,265,778,612.80/1,216,851.14
  6. Step 6: Final answer
    x = 976,508.75

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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.