Home / 740,187.39-1,110,115.01-340,444.11

Finding the Fourth Proportional to 740,187.39, 1,110,115.01 and 340,444.11

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Solution

The fourth proportional to 740,187.39, 1,110,115.01 and 340,444.11 is: 510,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,187.39 : 1,110,115.01 = 340,444.11 : x
  2. Step 2: Convert to fraction form
    740,187.39/1,110,115.01 = 340,444.11/x
  3. Step 3: Cross multiply
    740,187.39x = 1,110,115.01 × 340,444.11
  4. Step 4: Simplify right side
    740,187.39x = 377,932,114,874.87
  5. Step 5: Solve for x
    x = 377,932,114,874.87/740,187.39
  6. Step 6: Final answer
    x = 510,589.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.