Home / 791,050.86-1,185,589.41-385,909.11

Finding the Fourth Proportional to 791,050.86, 1,185,589.41 and 385,909.11

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Solution

The fourth proportional to 791,050.86, 1,185,589.41 and 385,909.11 is: 578,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,050.86 : 1,185,589.41 = 385,909.11 : x
  2. Step 2: Convert to fraction form
    791,050.86/1,185,589.41 = 385,909.11/x
  3. Step 3: Cross multiply
    791,050.86x = 1,185,589.41 × 385,909.11
  4. Step 4: Simplify right side
    791,050.86x = 457,529,752,591.37
  5. Step 5: Solve for x
    x = 457,529,752,591.37/791,050.86
  6. Step 6: Final answer
    x = 578,382.22

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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.