Home / 763,697.56-1,053,198.40-519,048.76

Finding the Fourth Proportional to 763,697.56, 1,053,198.40 and 519,048.76

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Solution

The fourth proportional to 763,697.56, 1,053,198.40 and 519,048.76 is: 715,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,697.56 : 1,053,198.40 = 519,048.76 : x
  2. Step 2: Convert to fraction form
    763,697.56/1,053,198.40 = 519,048.76/x
  3. Step 3: Cross multiply
    763,697.56x = 1,053,198.40 × 519,048.76
  4. Step 4: Simplify right side
    763,697.56x = 546,661,323,553.98
  5. Step 5: Solve for x
    x = 546,661,323,553.98/763,697.56
  6. Step 6: Final answer
    x = 715,808.66

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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.