Home / 628,669.90-943,145.45-229,310.67

Finding the Fourth Proportional to 628,669.90, 943,145.45 and 229,310.67

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Solution

The fourth proportional to 628,669.90, 943,145.45 and 229,310.67 is: 344,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,669.90 : 943,145.45 = 229,310.67 : x
  2. Step 2: Convert to fraction form
    628,669.90/943,145.45 = 229,310.67/x
  3. Step 3: Cross multiply
    628,669.90x = 943,145.45 × 229,310.67
  4. Step 4: Simplify right side
    628,669.90x = 216,273,315,046.95
  5. Step 5: Solve for x
    x = 216,273,315,046.95/628,669.90
  6. Step 6: Final answer
    x = 344,017.29

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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.