Home / 813,710.55-1,122,693.22-641,092.69

Finding the Fourth Proportional to 813,710.55, 1,122,693.22 and 641,092.69

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Solution

The fourth proportional to 813,710.55, 1,122,693.22 and 641,092.69 is: 884,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,710.55 : 1,122,693.22 = 641,092.69 : x
  2. Step 2: Convert to fraction form
    813,710.55/1,122,693.22 = 641,092.69/x
  3. Step 3: Cross multiply
    813,710.55x = 1,122,693.22 × 641,092.69
  4. Step 4: Simplify right side
    813,710.55x = 719,750,414,824.44
  5. Step 5: Solve for x
    x = 719,750,414,824.44/813,710.55
  6. Step 6: Final answer
    x = 884,528.80

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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.