Home / 377,014.08-520,285.92-207,255.36

Finding the Fourth Proportional to 377,014.08, 520,285.92 and 207,255.36

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Solution

The fourth proportional to 377,014.08, 520,285.92 and 207,255.36 is: 286,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,014.08 : 520,285.92 = 207,255.36 : x
  2. Step 2: Convert to fraction form
    377,014.08/520,285.92 = 207,255.36/x
  3. Step 3: Cross multiply
    377,014.08x = 520,285.92 × 207,255.36
  4. Step 4: Simplify right side
    377,014.08x = 107,832,045,652.53
  5. Step 5: Solve for x
    x = 107,832,045,652.53/377,014.08
  6. Step 6: Final answer
    x = 286,015.96

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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.