Home / 816,472.91-1,126,771.07-453,902.82

Finding the Fourth Proportional to 816,472.91, 1,126,771.07 and 453,902.82

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Solution

The fourth proportional to 816,472.91, 1,126,771.07 and 453,902.82 is: 626,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,472.91 : 1,126,771.07 = 453,902.82 : x
  2. Step 2: Convert to fraction form
    816,472.91/1,126,771.07 = 453,902.82/x
  3. Step 3: Cross multiply
    816,472.91x = 1,126,771.07 × 453,902.82
  4. Step 4: Simplify right side
    816,472.91x = 511,444,563,897.90
  5. Step 5: Solve for x
    x = 511,444,563,897.90/816,472.91
  6. Step 6: Final answer
    x = 626,407.27

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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.