Home / 496,330.76-685,058.10-281,596.52

Finding the Fourth Proportional to 496,330.76, 685,058.10 and 281,596.52

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Solution

The fourth proportional to 496,330.76, 685,058.10 and 281,596.52 is: 388,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,330.76 : 685,058.10 = 281,596.52 : x
  2. Step 2: Convert to fraction form
    496,330.76/685,058.10 = 281,596.52/x
  3. Step 3: Cross multiply
    496,330.76x = 685,058.10 × 281,596.52
  4. Step 4: Simplify right side
    496,330.76x = 192,909,976,957.81
  5. Step 5: Solve for x
    x = 192,909,976,957.81/496,330.76
  6. Step 6: Final answer
    x = 388,672.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.