Home / 684,339.10-944,423.86-412,493.38

Finding the Fourth Proportional to 684,339.10, 944,423.86 and 412,493.38

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Solution

The fourth proportional to 684,339.10, 944,423.86 and 412,493.38 is: 569,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,339.10 : 944,423.86 = 412,493.38 : x
  2. Step 2: Convert to fraction form
    684,339.10/944,423.86 = 412,493.38/x
  3. Step 3: Cross multiply
    684,339.10x = 944,423.86 × 412,493.38
  4. Step 4: Simplify right side
    684,339.10x = 389,568,590,164.05
  5. Step 5: Solve for x
    x = 389,568,590,164.05/684,339.10
  6. Step 6: Final answer
    x = 569,262.50

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Double scale
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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.