Home / 814,153.24-1,123,485.63-451,551.07

Finding the Fourth Proportional to 814,153.24, 1,123,485.63 and 451,551.07

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Solution

The fourth proportional to 814,153.24, 1,123,485.63 and 451,551.07 is: 623,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,153.24 : 1,123,485.63 = 451,551.07 : x
  2. Step 2: Convert to fraction form
    814,153.24/1,123,485.63 = 451,551.07/x
  3. Step 3: Cross multiply
    814,153.24x = 1,123,485.63 × 451,551.07
  4. Step 4: Simplify right side
    814,153.24x = 507,311,138,356.12
  5. Step 5: Solve for x
    x = 507,311,138,356.12/814,153.24
  6. Step 6: Final answer
    x = 623,115.05

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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.