Home / 814,452.65-1,123,944.80-451,875.64

Finding the Fourth Proportional to 814,452.65, 1,123,944.80 and 451,875.64

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Solution

The fourth proportional to 814,452.65, 1,123,944.80 and 451,875.64 is: 623,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,452.65 : 1,123,944.80 = 451,875.64 : x
  2. Step 2: Convert to fraction form
    814,452.65/1,123,944.80 = 451,875.64/x
  3. Step 3: Cross multiply
    814,452.65x = 1,123,944.80 × 451,875.64
  4. Step 4: Simplify right side
    814,452.65x = 507,883,275,824.67
  5. Step 5: Solve for x
    x = 507,883,275,824.67/814,452.65
  6. Step 6: Final answer
    x = 623,588.46

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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.