Home / 684,199.41-944,345.04-397,884.66

Finding the Fourth Proportional to 684,199.41, 944,345.04 and 397,884.66

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Solution

The fourth proportional to 684,199.41, 944,345.04 and 397,884.66 is: 549,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,199.41 : 944,345.04 = 397,884.66 : x
  2. Step 2: Convert to fraction form
    684,199.41/944,345.04 = 397,884.66/x
  3. Step 3: Cross multiply
    684,199.41x = 944,345.04 × 397,884.66
  4. Step 4: Simplify right side
    684,199.41x = 375,740,405,163.09
  5. Step 5: Solve for x
    x = 375,740,405,163.09/684,199.41
  6. Step 6: Final answer
    x = 549,167.98

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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.