Home / 791,693.60-1,092,653.90-501,331.68

Finding the Fourth Proportional to 791,693.60, 1,092,653.90 and 501,331.68

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Solution

The fourth proportional to 791,693.60, 1,092,653.90 and 501,331.68 is: 691,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,693.60 : 1,092,653.90 = 501,331.68 : x
  2. Step 2: Convert to fraction form
    791,693.60/1,092,653.90 = 501,331.68/x
  3. Step 3: Cross multiply
    791,693.60x = 1,092,653.90 × 501,331.68
  4. Step 4: Simplify right side
    791,693.60x = 547,782,014,081.66
  5. Step 5: Solve for x
    x = 547,782,014,081.66/791,693.60
  6. Step 6: Final answer
    x = 691,911.63

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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.