Home / 814,409.16-1,124,019.54-451,949.44

Finding the Fourth Proportional to 814,409.16, 1,124,019.54 and 451,949.44

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Solution

The fourth proportional to 814,409.16, 1,124,019.54 and 451,949.44 is: 623,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,409.16 : 1,124,019.54 = 451,949.44 : x
  2. Step 2: Convert to fraction form
    814,409.16/1,124,019.54 = 451,949.44/x
  3. Step 3: Cross multiply
    814,409.16x = 1,124,019.54 × 451,949.44
  4. Step 4: Simplify right side
    814,409.16x = 508,000,001,652.06
  5. Step 5: Solve for x
    x = 508,000,001,652.06/814,409.16
  6. Step 6: Final answer
    x = 623,765.09

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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.