Home / 816,550.92-1,126,741.76-453,928.32

Finding the Fourth Proportional to 816,550.92, 1,126,741.76 and 453,928.32

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Solution

The fourth proportional to 816,550.92, 1,126,741.76 and 453,928.32 is: 626,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,550.92 : 1,126,741.76 = 453,928.32 : x
  2. Step 2: Convert to fraction form
    816,550.92/1,126,741.76 = 453,928.32/x
  3. Step 3: Cross multiply
    816,550.92x = 1,126,741.76 × 453,928.32
  4. Step 4: Simplify right side
    816,550.92x = 511,459,994,190.64
  5. Step 5: Solve for x
    x = 511,459,994,190.64/816,550.92
  6. Step 6: Final answer
    x = 626,366.32

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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.