Home / 827,857.18-1,142,453.19-501,165.84

Finding the Fourth Proportional to 827,857.18, 1,142,453.19 and 501,165.84

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Solution

The fourth proportional to 827,857.18, 1,142,453.19 and 501,165.84 is: 691,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,857.18 : 1,142,453.19 = 501,165.84 : x
  2. Step 2: Convert to fraction form
    827,857.18/1,142,453.19 = 501,165.84/x
  3. Step 3: Cross multiply
    827,857.18x = 1,142,453.19 × 501,165.84
  4. Step 4: Simplify right side
    827,857.18x = 572,558,512,627.03
  5. Step 5: Solve for x
    x = 572,558,512,627.03/827,857.18
  6. Step 6: Final answer
    x = 691,615.08

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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.