Home / 684,184.95-944,147.34-378,241.86

Finding the Fourth Proportional to 684,184.95, 944,147.34 and 378,241.86

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Solution

The fourth proportional to 684,184.95, 944,147.34 and 378,241.86 is: 521,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,184.95 : 944,147.34 = 378,241.86 : x
  2. Step 2: Convert to fraction form
    684,184.95/944,147.34 = 378,241.86/x
  3. Step 3: Cross multiply
    684,184.95x = 944,147.34 × 378,241.86
  4. Step 4: Simplify right side
    684,184.95x = 357,116,045,995.65
  5. Step 5: Solve for x
    x = 357,116,045,995.65/684,184.95
  6. Step 6: Final answer
    x = 521,958.35

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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.