Home / 684,105.13-944,064.48-412,184.49

Finding the Fourth Proportional to 684,105.13, 944,064.48 and 412,184.49

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Solution

The fourth proportional to 684,105.13, 944,064.48 and 412,184.49 is: 568,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,105.13 : 944,064.48 = 412,184.49 : x
  2. Step 2: Convert to fraction form
    684,105.13/944,064.48 = 412,184.49/x
  3. Step 3: Cross multiply
    684,105.13x = 944,064.48 × 412,184.49
  4. Step 4: Simplify right side
    684,105.13x = 389,128,736,215.92
  5. Step 5: Solve for x
    x = 389,128,736,215.92/684,105.13
  6. Step 6: Final answer
    x = 568,814.24

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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.