Home / 763,398.57-1,053,619.62-441,295.39

Finding the Fourth Proportional to 763,398.57, 1,053,619.62 and 441,295.39

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Solution

The fourth proportional to 763,398.57, 1,053,619.62 and 441,295.39 is: 609,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,398.57 : 1,053,619.62 = 441,295.39 : x
  2. Step 2: Convert to fraction form
    763,398.57/1,053,619.62 = 441,295.39/x
  3. Step 3: Cross multiply
    763,398.57x = 1,053,619.62 × 441,295.39
  4. Step 4: Simplify right side
    763,398.57x = 464,957,480,781.72
  5. Step 5: Solve for x
    x = 464,957,480,781.72/763,398.57
  6. Step 6: Final answer
    x = 609,062.55

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1.5x scale

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.