Home / 682,931.64-942,447.06-377,008.43

Finding the Fourth Proportional to 682,931.64, 942,447.06 and 377,008.43

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Solution

The fourth proportional to 682,931.64, 942,447.06 and 377,008.43 is: 520,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,931.64 : 942,447.06 = 377,008.43 : x
  2. Step 2: Convert to fraction form
    682,931.64/942,447.06 = 377,008.43/x
  3. Step 3: Cross multiply
    682,931.64x = 942,447.06 × 377,008.43
  4. Step 4: Simplify right side
    682,931.64x = 355,310,481,736.48
  5. Step 5: Solve for x
    x = 355,310,481,736.48/682,931.64
  6. Step 6: Final answer
    x = 520,272.40

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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.