Home / 816,224.06-1,126,408.34-453,663.20

Finding the Fourth Proportional to 816,224.06, 1,126,408.34 and 453,663.20

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Solution

The fourth proportional to 816,224.06, 1,126,408.34 and 453,663.20 is: 626,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,224.06 : 1,126,408.34 = 453,663.20 : x
  2. Step 2: Convert to fraction form
    816,224.06/1,126,408.34 = 453,663.20/x
  3. Step 3: Cross multiply
    816,224.06x = 1,126,408.34 × 453,663.20
  4. Step 4: Simplify right side
    816,224.06x = 511,010,015,981.27
  5. Step 5: Solve for x
    x = 511,010,015,981.27/816,224.06
  6. Step 6: Final answer
    x = 626,065.86

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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.