Home / 695,073.66-958,916.55-422,923.38

Finding the Fourth Proportional to 695,073.66, 958,916.55 and 422,923.38

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Solution

The fourth proportional to 695,073.66, 958,916.55 and 422,923.38 is: 583,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,073.66 : 958,916.55 = 422,923.38 : x
  2. Step 2: Convert to fraction form
    695,073.66/958,916.55 = 422,923.38/x
  3. Step 3: Cross multiply
    695,073.66x = 958,916.55 × 422,923.38
  4. Step 4: Simplify right side
    695,073.66x = 405,548,228,463.94
  5. Step 5: Solve for x
    x = 405,548,228,463.94/695,073.66
  6. Step 6: Final answer
    x = 583,460.79

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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.