Home / 1,182,753.12-1,632,199.98-638,888.94

Finding the Fourth Proportional to 1,182,753.12, 1,632,199.98 and 638,888.94

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Solution

The fourth proportional to 1,182,753.12, 1,632,199.98 and 638,888.94 is: 881,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,753.12 : 1,632,199.98 = 638,888.94 : x
  2. Step 2: Convert to fraction form
    1,182,753.12/1,632,199.98 = 638,888.94/x
  3. Step 3: Cross multiply
    1,182,753.12x = 1,632,199.98 × 638,888.94
  4. Step 4: Simplify right side
    1,182,753.12x = 1,042,794,515,090.22
  5. Step 5: Solve for x
    x = 1,042,794,515,090.22/1,182,753.12
  6. Step 6: Final answer
    x = 881,667.10

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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.