Home / 649,297.18-896,119.10-373,649.36

Finding the Fourth Proportional to 649,297.18, 896,119.10 and 373,649.36

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Solution

The fourth proportional to 649,297.18, 896,119.10 and 373,649.36 is: 515,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,297.18 : 896,119.10 = 373,649.36 : x
  2. Step 2: Convert to fraction form
    649,297.18/896,119.10 = 373,649.36/x
  3. Step 3: Cross multiply
    649,297.18x = 896,119.10 × 373,649.36
  4. Step 4: Simplify right side
    649,297.18x = 334,834,328,198.78
  5. Step 5: Solve for x
    x = 334,834,328,198.78/649,297.18
  6. Step 6: Final answer
    x = 515,687.33

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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.