Home / 814,271.70-1,123,701.73-451,719.30

Finding the Fourth Proportional to 814,271.70, 1,123,701.73 and 451,719.30

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Solution

The fourth proportional to 814,271.70, 1,123,701.73 and 451,719.30 is: 623,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,271.70 : 1,123,701.73 = 451,719.30 : x
  2. Step 2: Convert to fraction form
    814,271.70/1,123,701.73 = 451,719.30/x
  3. Step 3: Cross multiply
    814,271.70x = 1,123,701.73 × 451,719.30
  4. Step 4: Simplify right side
    814,271.70x = 507,597,758,884.39
  5. Step 5: Solve for x
    x = 507,597,758,884.39/814,271.70
  6. Step 6: Final answer
    x = 623,376.40

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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.