Home / 936,812.76-1,292,802.30-507,091.56

Finding the Fourth Proportional to 936,812.76, 1,292,802.30 and 507,091.56

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Solution

The fourth proportional to 936,812.76, 1,292,802.30 and 507,091.56 is: 699,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,812.76 : 1,292,802.30 = 507,091.56 : x
  2. Step 2: Convert to fraction form
    936,812.76/1,292,802.30 = 507,091.56/x
  3. Step 3: Cross multiply
    936,812.76x = 1,292,802.30 × 507,091.56
  4. Step 4: Simplify right side
    936,812.76x = 655,569,135,078.59
  5. Step 5: Solve for x
    x = 655,569,135,078.59/936,812.76
  6. Step 6: Final answer
    x = 699,786.73

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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.