Home / 837,119.57-1,155,795.51-561,890.22

Finding the Fourth Proportional to 837,119.57, 1,155,795.51 and 561,890.22

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Solution

The fourth proportional to 837,119.57, 1,155,795.51 and 561,890.22 is: 775,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,119.57 : 1,155,795.51 = 561,890.22 : x
  2. Step 2: Convert to fraction form
    837,119.57/1,155,795.51 = 561,890.22/x
  3. Step 3: Cross multiply
    837,119.57x = 1,155,795.51 × 561,890.22
  4. Step 4: Simplify right side
    837,119.57x = 649,430,193,388.91
  5. Step 5: Solve for x
    x = 649,430,193,388.91/837,119.57
  6. Step 6: Final answer
    x = 775,791.44

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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.