Home / 763,184.34-1,053,196.48-419,042.56

Finding the Fourth Proportional to 763,184.34, 1,053,196.48 and 419,042.56

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Solution

The fourth proportional to 763,184.34, 1,053,196.48 and 419,042.56 is: 578,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,184.34 : 1,053,196.48 = 419,042.56 : x
  2. Step 2: Convert to fraction form
    763,184.34/1,053,196.48 = 419,042.56/x
  3. Step 3: Cross multiply
    763,184.34x = 1,053,196.48 × 419,042.56
  4. Step 4: Simplify right side
    763,184.34x = 441,334,149,162.19
  5. Step 5: Solve for x
    x = 441,334,149,162.19/763,184.34
  6. Step 6: Final answer
    x = 578,279.88

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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.