Home / 850,844.89-1,174,150.89-463,663.78

Finding the Fourth Proportional to 850,844.89, 1,174,150.89 and 463,663.78

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Solution

The fourth proportional to 850,844.89, 1,174,150.89 and 463,663.78 is: 639,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,844.89 : 1,174,150.89 = 463,663.78 : x
  2. Step 2: Convert to fraction form
    850,844.89/1,174,150.89 = 463,663.78/x
  3. Step 3: Cross multiply
    850,844.89x = 1,174,150.89 × 463,663.78
  4. Step 4: Simplify right side
    850,844.89x = 544,411,237,012.39
  5. Step 5: Solve for x
    x = 544,411,237,012.39/850,844.89
  6. Step 6: Final answer
    x = 639,847.81

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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.