Home / 691,112.58-1,036,598.79-185,607.88

Finding the Fourth Proportional to 691,112.58, 1,036,598.79 and 185,607.88

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Solution

The fourth proportional to 691,112.58, 1,036,598.79 and 185,607.88 is: 278,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,112.58 : 1,036,598.79 = 185,607.88 : x
  2. Step 2: Convert to fraction form
    691,112.58/1,036,598.79 = 185,607.88/x
  3. Step 3: Cross multiply
    691,112.58x = 1,036,598.79 × 185,607.88
  4. Step 4: Simplify right side
    691,112.58x = 192,400,903,822.47
  5. Step 5: Solve for x
    x = 192,400,903,822.47/691,112.58
  6. Step 6: Final answer
    x = 278,393.00

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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.