Home / 985,649.80-1,479,096.56-386,594.96

Finding the Fourth Proportional to 985,649.80, 1,479,096.56 and 386,594.96

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Solution

The fourth proportional to 985,649.80, 1,479,096.56 and 386,594.96 is: 580,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,649.80 : 1,479,096.56 = 386,594.96 : x
  2. Step 2: Convert to fraction form
    985,649.80/1,479,096.56 = 386,594.96/x
  3. Step 3: Cross multiply
    985,649.80x = 1,479,096.56 × 386,594.96
  4. Step 4: Simplify right side
    985,649.80x = 571,811,275,449.34
  5. Step 5: Solve for x
    x = 571,811,275,449.34/985,649.80
  6. Step 6: Final answer
    x = 580,136.35

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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.