Home / 682,932.03-942,447.59-377,008.80

Finding the Fourth Proportional to 682,932.03, 942,447.59 and 377,008.80

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Solution

The fourth proportional to 682,932.03, 942,447.59 and 377,008.80 is: 520,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,932.03 : 942,447.59 = 377,008.80 : x
  2. Step 2: Convert to fraction form
    682,932.03/942,447.59 = 377,008.80/x
  3. Step 3: Cross multiply
    682,932.03x = 942,447.59 × 377,008.80
  4. Step 4: Simplify right side
    682,932.03x = 355,311,030,963.35
  5. Step 5: Solve for x
    x = 355,311,030,963.35/682,932.03
  6. Step 6: Final answer
    x = 520,272.91

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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.