Home / 814,334.48-1,123,782.90-451,758.35

Finding the Fourth Proportional to 814,334.48, 1,123,782.90 and 451,758.35

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Solution

The fourth proportional to 814,334.48, 1,123,782.90 and 451,758.35 is: 623,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,334.48 : 1,123,782.90 = 451,758.35 : x
  2. Step 2: Convert to fraction form
    814,334.48/1,123,782.90 = 451,758.35/x
  3. Step 3: Cross multiply
    814,334.48x = 1,123,782.90 × 451,758.35
  4. Step 4: Simplify right side
    814,334.48x = 507,678,304,737.39
  5. Step 5: Solve for x
    x = 507,678,304,737.39/814,334.48
  6. Step 6: Final answer
    x = 623,427.25

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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.