Home / 816,793.96-1,127,010.48-477,196.60

Finding the Fourth Proportional to 816,793.96, 1,127,010.48 and 477,196.60

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Solution

The fourth proportional to 816,793.96, 1,127,010.48 and 477,196.60 is: 658,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,793.96 : 1,127,010.48 = 477,196.60 : x
  2. Step 2: Convert to fraction form
    816,793.96/1,127,010.48 = 477,196.60/x
  3. Step 3: Cross multiply
    816,793.96x = 1,127,010.48 × 477,196.60
  4. Step 4: Simplify right side
    816,793.96x = 537,805,569,220.37
  5. Step 5: Solve for x
    x = 537,805,569,220.37/816,793.96
  6. Step 6: Final answer
    x = 658,434.80

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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.