Home / 460,292.22-690,445.62-140,450.76

Finding the Fourth Proportional to 460,292.22, 690,445.62 and 140,450.76

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Solution

The fourth proportional to 460,292.22, 690,445.62 and 140,450.76 is: 210,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,292.22 : 690,445.62 = 140,450.76 : x
  2. Step 2: Convert to fraction form
    460,292.22/690,445.62 = 140,450.76/x
  3. Step 3: Cross multiply
    460,292.22x = 690,445.62 × 140,450.76
  4. Step 4: Simplify right side
    460,292.22x = 96,973,612,067.67
  5. Step 5: Solve for x
    x = 96,973,612,067.67/460,292.22
  6. Step 6: Final answer
    x = 210,678.36

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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.