Home / 816,476.76-1,126,735.92-453,933.72

Finding the Fourth Proportional to 816,476.76, 1,126,735.92 and 453,933.72

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Solution

The fourth proportional to 816,476.76, 1,126,735.92 and 453,933.72 is: 626,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,476.76 : 1,126,735.92 = 453,933.72 : x
  2. Step 2: Convert to fraction form
    816,476.76/1,126,735.92 = 453,933.72/x
  3. Step 3: Cross multiply
    816,476.76x = 1,126,735.92 × 453,933.72
  4. Step 4: Simplify right side
    816,476.76x = 511,463,427,623.22
  5. Step 5: Solve for x
    x = 511,463,427,623.22/816,476.76
  6. Step 6: Final answer
    x = 626,427.42

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Double scale
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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.