Home / 816,554.91-1,126,883.16-454,015.92

Finding the Fourth Proportional to 816,554.91, 1,126,883.16 and 454,015.92

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Solution

The fourth proportional to 816,554.91, 1,126,883.16 and 454,015.92 is: 626,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,554.91 : 1,126,883.16 = 454,015.92 : x
  2. Step 2: Convert to fraction form
    816,554.91/1,126,883.16 = 454,015.92/x
  3. Step 3: Cross multiply
    816,554.91x = 1,126,883.16 × 454,015.92
  4. Step 4: Simplify right side
    816,554.91x = 511,622,894,619.91
  5. Step 5: Solve for x
    x = 511,622,894,619.91/816,554.91
  6. Step 6: Final answer
    x = 626,562.76

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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.