Home / 827,863.68-1,142,462.16-501,172.36

Finding the Fourth Proportional to 827,863.68, 1,142,462.16 and 501,172.36

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Solution

The fourth proportional to 827,863.68, 1,142,462.16 and 501,172.36 is: 691,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,863.68 : 1,142,462.16 = 501,172.36 : x
  2. Step 2: Convert to fraction form
    827,863.68/1,142,462.16 = 501,172.36/x
  3. Step 3: Cross multiply
    827,863.68x = 1,142,462.16 × 501,172.36
  4. Step 4: Simplify right side
    827,863.68x = 572,570,456,937.90
  5. Step 5: Solve for x
    x = 572,570,456,937.90/827,863.68
  6. Step 6: Final answer
    x = 691,624.08

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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.