Home / 814,338.81-1,123,788.87-451,762.68

Finding the Fourth Proportional to 814,338.81, 1,123,788.87 and 451,762.68

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Solution

The fourth proportional to 814,338.81, 1,123,788.87 and 451,762.68 is: 623,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,338.81 : 1,123,788.87 = 451,762.68 : x
  2. Step 2: Convert to fraction form
    814,338.81/1,123,788.87 = 451,762.68/x
  3. Step 3: Cross multiply
    814,338.81x = 1,123,788.87 × 451,762.68
  4. Step 4: Simplify right side
    814,338.81x = 507,685,871,665.37
  5. Step 5: Solve for x
    x = 507,685,871,665.37/814,338.81
  6. Step 6: Final answer
    x = 623,433.23

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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.