Home / 628,848.40-943,199.70-179,638.60

Finding the Fourth Proportional to 628,848.40, 943,199.70 and 179,638.60

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Solution

The fourth proportional to 628,848.40, 943,199.70 and 179,638.60 is: 269,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,848.40 : 943,199.70 = 179,638.60 : x
  2. Step 2: Convert to fraction form
    628,848.40/943,199.70 = 179,638.60/x
  3. Step 3: Cross multiply
    628,848.40x = 943,199.70 × 179,638.60
  4. Step 4: Simplify right side
    628,848.40x = 169,435,073,628.42
  5. Step 5: Solve for x
    x = 169,435,073,628.42/628,848.40
  6. Step 6: Final answer
    x = 269,437.08

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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.