Home / 683,346.16-1,025,022.89-448,178.05

Finding the Fourth Proportional to 683,346.16, 1,025,022.89 and 448,178.05

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Solution

The fourth proportional to 683,346.16, 1,025,022.89 and 448,178.05 is: 672,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,346.16 : 1,025,022.89 = 448,178.05 : x
  2. Step 2: Convert to fraction form
    683,346.16/1,025,022.89 = 448,178.05/x
  3. Step 3: Cross multiply
    683,346.16x = 1,025,022.89 × 448,178.05
  4. Step 4: Simplify right side
    683,346.16x = 459,392,760,045.57
  5. Step 5: Solve for x
    x = 459,392,760,045.57/683,346.16
  6. Step 6: Final answer
    x = 672,269.47

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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.