Home / 1,192,320.83-1,788,101.89-393,453.47

Finding the Fourth Proportional to 1,192,320.83, 1,788,101.89 and 393,453.47

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Solution

The fourth proportional to 1,192,320.83, 1,788,101.89 and 393,453.47 is: 590,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,320.83 : 1,788,101.89 = 393,453.47 : x
  2. Step 2: Convert to fraction form
    1,192,320.83/1,788,101.89 = 393,453.47/x
  3. Step 3: Cross multiply
    1,192,320.83x = 1,788,101.89 × 393,453.47
  4. Step 4: Simplify right side
    1,192,320.83x = 703,534,893,334.06
  5. Step 5: Solve for x
    x = 703,534,893,334.06/1,192,320.83
  6. Step 6: Final answer
    x = 590,055.02

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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.