Home / 983,192.58-1,356,935.09-553,556.43

Finding the Fourth Proportional to 983,192.58, 1,356,935.09 and 553,556.43

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Solution

The fourth proportional to 983,192.58, 1,356,935.09 and 553,556.43 is: 763,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,192.58 : 1,356,935.09 = 553,556.43 : x
  2. Step 2: Convert to fraction form
    983,192.58/1,356,935.09 = 553,556.43/x
  3. Step 3: Cross multiply
    983,192.58x = 1,356,935.09 × 553,556.43
  4. Step 4: Simplify right side
    983,192.58x = 751,140,141,394.35
  5. Step 5: Solve for x
    x = 751,140,141,394.35/983,192.58
  6. Step 6: Final answer
    x = 763,980.69

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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.