Home / 815,066.70-1,223,160.60-282,587.73

Finding the Fourth Proportional to 815,066.70, 1,223,160.60 and 282,587.73

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Solution

The fourth proportional to 815,066.70, 1,223,160.60 and 282,587.73 is: 424,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,066.70 : 1,223,160.60 = 282,587.73 : x
  2. Step 2: Convert to fraction form
    815,066.70/1,223,160.60 = 282,587.73/x
  3. Step 3: Cross multiply
    815,066.70x = 1,223,160.60 × 282,587.73
  4. Step 4: Simplify right side
    815,066.70x = 345,650,177,379.44
  5. Step 5: Solve for x
    x = 345,650,177,379.44/815,066.70
  6. Step 6: Final answer
    x = 424,075.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.