Home / 813,923.84-1,123,282.24-451,464.82

Finding the Fourth Proportional to 813,923.84, 1,123,282.24 and 451,464.82

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Solution

The fourth proportional to 813,923.84, 1,123,282.24 and 451,464.82 is: 623,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,923.84 : 1,123,282.24 = 451,464.82 : x
  2. Step 2: Convert to fraction form
    813,923.84/1,123,282.24 = 451,464.82/x
  3. Step 3: Cross multiply
    813,923.84x = 1,123,282.24 × 451,464.82
  4. Step 4: Simplify right side
    813,923.84x = 507,122,414,290.80
  5. Step 5: Solve for x
    x = 507,122,414,290.80/813,923.84
  6. Step 6: Final answer
    x = 623,058.80

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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.