Home / 700,372.88-1,048,875.86-399,943.88

Finding the Fourth Proportional to 700,372.88, 1,048,875.86 and 399,943.88

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Solution

The fourth proportional to 700,372.88, 1,048,875.86 and 399,943.88 is: 598,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,372.88 : 1,048,875.86 = 399,943.88 : x
  2. Step 2: Convert to fraction form
    700,372.88/1,048,875.86 = 399,943.88/x
  3. Step 3: Cross multiply
    700,372.88x = 1,048,875.86 × 399,943.88
  4. Step 4: Simplify right side
    700,372.88x = 419,491,473,842.64
  5. Step 5: Solve for x
    x = 419,491,473,842.64/700,372.88
  6. Step 6: Final answer
    x = 598,954.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.