Home / 626,324.20-939,481.80-153,005.20

Finding the Fourth Proportional to 626,324.20, 939,481.80 and 153,005.20

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Solution

The fourth proportional to 626,324.20, 939,481.80 and 153,005.20 is: 229,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,324.20 : 939,481.80 = 153,005.20 : x
  2. Step 2: Convert to fraction form
    626,324.20/939,481.80 = 153,005.20/x
  3. Step 3: Cross multiply
    626,324.20x = 939,481.80 × 153,005.20
  4. Step 4: Simplify right side
    626,324.20x = 143,745,600,705.36
  5. Step 5: Solve for x
    x = 143,745,600,705.36/626,324.20
  6. Step 6: Final answer
    x = 229,506.70

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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.