Home / 836,986.54-1,155,131.73-474,371.47

Finding the Fourth Proportional to 836,986.54, 1,155,131.73 and 474,371.47

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Solution

The fourth proportional to 836,986.54, 1,155,131.73 and 474,371.47 is: 654,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,986.54 : 1,155,131.73 = 474,371.47 : x
  2. Step 2: Convert to fraction form
    836,986.54/1,155,131.73 = 474,371.47/x
  3. Step 3: Cross multiply
    836,986.54x = 1,155,131.73 × 474,371.47
  4. Step 4: Simplify right side
    836,986.54x = 547,961,536,913.49
  5. Step 5: Solve for x
    x = 547,961,536,913.49/836,986.54
  6. Step 6: Final answer
    x = 654,683.81

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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.