Home / 815,176.03-1,123,092.44-630,780.60

Finding the Fourth Proportional to 815,176.03, 1,123,092.44 and 630,780.60

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Solution

The fourth proportional to 815,176.03, 1,123,092.44 and 630,780.60 is: 869,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,176.03 : 1,123,092.44 = 630,780.60 : x
  2. Step 2: Convert to fraction form
    815,176.03/1,123,092.44 = 630,780.60/x
  3. Step 3: Cross multiply
    815,176.03x = 1,123,092.44 × 630,780.60
  4. Step 4: Simplify right side
    815,176.03x = 708,424,923,158.66
  5. Step 5: Solve for x
    x = 708,424,923,158.66/815,176.03
  6. Step 6: Final answer
    x = 869,045.33

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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.