Home / 658,151.82-986,481.41-302,430.80

Finding the Fourth Proportional to 658,151.82, 986,481.41 and 302,430.80

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Solution

The fourth proportional to 658,151.82, 986,481.41 and 302,430.80 is: 453,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,151.82 : 986,481.41 = 302,430.80 : x
  2. Step 2: Convert to fraction form
    658,151.82/986,481.41 = 302,430.80/x
  3. Step 3: Cross multiply
    658,151.82x = 986,481.41 × 302,430.80
  4. Step 4: Simplify right side
    658,151.82x = 298,342,355,566.87
  5. Step 5: Solve for x
    x = 298,342,355,566.87/658,151.82
  6. Step 6: Final answer
    x = 453,303.24

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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.