Home / 632,613.20-948,920.70-258,636.20

Finding the Fourth Proportional to 632,613.20, 948,920.70 and 258,636.20

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Solution

The fourth proportional to 632,613.20, 948,920.70 and 258,636.20 is: 387,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,613.20 : 948,920.70 = 258,636.20 : x
  2. Step 2: Convert to fraction form
    632,613.20/948,920.70 = 258,636.20/x
  3. Step 3: Cross multiply
    632,613.20x = 948,920.70 × 258,636.20
  4. Step 4: Simplify right side
    632,613.20x = 245,425,243,949.34
  5. Step 5: Solve for x
    x = 245,425,243,949.34/632,613.20
  6. Step 6: Final answer
    x = 387,954.67

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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.