Home / 377,403.24-520,816.48-207,633.72

Finding the Fourth Proportional to 377,403.24, 520,816.48 and 207,633.72

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Solution

The fourth proportional to 377,403.24, 520,816.48 and 207,633.72 is: 286,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,403.24 : 520,816.48 = 207,633.72 : x
  2. Step 2: Convert to fraction form
    377,403.24/520,816.48 = 207,633.72/x
  3. Step 3: Cross multiply
    377,403.24x = 520,816.48 × 207,633.72
  4. Step 4: Simplify right side
    377,403.24x = 108,139,063,179.71
  5. Step 5: Solve for x
    x = 108,139,063,179.71/377,403.24
  6. Step 6: Final answer
    x = 286,534.54

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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.