Home / 763,718.47-1,053,814.39-441,366.35

Finding the Fourth Proportional to 763,718.47, 1,053,814.39 and 441,366.35

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Solution

The fourth proportional to 763,718.47, 1,053,814.39 and 441,366.35 is: 609,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,718.47 : 1,053,814.39 = 441,366.35 : x
  2. Step 2: Convert to fraction form
    763,718.47/1,053,814.39 = 441,366.35/x
  3. Step 3: Cross multiply
    763,718.47x = 1,053,814.39 × 441,366.35
  4. Step 4: Simplify right side
    763,718.47x = 465,118,204,519.29
  5. Step 5: Solve for x
    x = 465,118,204,519.29/763,718.47
  6. Step 6: Final answer
    x = 609,017.88

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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.