Home / 687,036.14-1,029,503.26-367,233.51

Finding the Fourth Proportional to 687,036.14, 1,029,503.26 and 367,233.51

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Solution

The fourth proportional to 687,036.14, 1,029,503.26 and 367,233.51 is: 550,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,036.14 : 1,029,503.26 = 367,233.51 : x
  2. Step 2: Convert to fraction form
    687,036.14/1,029,503.26 = 367,233.51/x
  3. Step 3: Cross multiply
    687,036.14x = 1,029,503.26 × 367,233.51
  4. Step 4: Simplify right side
    687,036.14x = 378,068,095,726.24
  5. Step 5: Solve for x
    x = 378,068,095,726.24/687,036.14
  6. Step 6: Final answer
    x = 550,288.51

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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.