Home / 936,806.75-1,292,796.54-507,086.76

Finding the Fourth Proportional to 936,806.75, 1,292,796.54 and 507,086.76

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Solution

The fourth proportional to 936,806.75, 1,292,796.54 and 507,086.76 is: 699,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,806.75 : 1,292,796.54 = 507,086.76 : x
  2. Step 2: Convert to fraction form
    936,806.75/1,292,796.54 = 507,086.76/x
  3. Step 3: Cross multiply
    936,806.75x = 1,292,796.54 × 507,086.76
  4. Step 4: Simplify right side
    936,806.75x = 655,560,008,807.81
  5. Step 5: Solve for x
    x = 655,560,008,807.81/936,806.75
  6. Step 6: Final answer
    x = 699,781.48

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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.