Home / 837,119.68-1,155,795.36-561,890.32

Finding the Fourth Proportional to 837,119.68, 1,155,795.36 and 561,890.32

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Solution

The fourth proportional to 837,119.68, 1,155,795.36 and 561,890.32 is: 775,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,119.68 : 1,155,795.36 = 561,890.32 : x
  2. Step 2: Convert to fraction form
    837,119.68/1,155,795.36 = 561,890.32/x
  3. Step 3: Cross multiply
    837,119.68x = 1,155,795.36 × 561,890.32
  4. Step 4: Simplify right side
    837,119.68x = 649,430,224,684.92
  5. Step 5: Solve for x
    x = 649,430,224,684.92/837,119.68
  6. Step 6: Final answer
    x = 775,791.37

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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.