Home / 628,656.79-943,020.02-179,343.11

Finding the Fourth Proportional to 628,656.79, 943,020.02 and 179,343.11

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Solution

The fourth proportional to 628,656.79, 943,020.02 and 179,343.11 is: 269,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,656.79 : 943,020.02 = 179,343.11 : x
  2. Step 2: Convert to fraction form
    628,656.79/943,020.02 = 179,343.11/x
  3. Step 3: Cross multiply
    628,656.79x = 943,020.02 × 179,343.11
  4. Step 4: Simplify right side
    628,656.79x = 169,124,138,912.32
  5. Step 5: Solve for x
    x = 169,124,138,912.32/628,656.79
  6. Step 6: Final answer
    x = 269,024.60

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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.