Home / 835,370.97-1,152,813.08-453,397.78

Finding the Fourth Proportional to 835,370.97, 1,152,813.08 and 453,397.78

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Solution

The fourth proportional to 835,370.97, 1,152,813.08 and 453,397.78 is: 625,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,370.97 : 1,152,813.08 = 453,397.78 : x
  2. Step 2: Convert to fraction form
    835,370.97/1,152,813.08 = 453,397.78/x
  3. Step 3: Cross multiply
    835,370.97x = 1,152,813.08 × 453,397.78
  4. Step 4: Simplify right side
    835,370.97x = 522,682,891,226.96
  5. Step 5: Solve for x
    x = 522,682,891,226.96/835,370.97
  6. Step 6: Final answer
    x = 625,689.56

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Double scale
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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.