Home / 628,669.03-943,012.20-179,389.76

Finding the Fourth Proportional to 628,669.03, 943,012.20 and 179,389.76

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Solution

The fourth proportional to 628,669.03, 943,012.20 and 179,389.76 is: 269,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,669.03 : 943,012.20 = 179,389.76 : x
  2. Step 2: Convert to fraction form
    628,669.03/943,012.20 = 179,389.76/x
  3. Step 3: Cross multiply
    628,669.03x = 943,012.20 × 179,389.76
  4. Step 4: Simplify right side
    628,669.03x = 169,166,732,235.07
  5. Step 5: Solve for x
    x = 169,166,732,235.07/628,669.03
  6. Step 6: Final answer
    x = 269,087.11

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1.5x scale

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.