Home / 835,421.03-1,152,850.15-453,439.61

Finding the Fourth Proportional to 835,421.03, 1,152,850.15 and 453,439.61

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Solution

The fourth proportional to 835,421.03, 1,152,850.15 and 453,439.61 is: 625,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,421.03 : 1,152,850.15 = 453,439.61 : x
  2. Step 2: Convert to fraction form
    835,421.03/1,152,850.15 = 453,439.61/x
  3. Step 3: Cross multiply
    835,421.03x = 1,152,850.15 × 453,439.61
  4. Step 4: Simplify right side
    835,421.03x = 522,747,922,404.44
  5. Step 5: Solve for x
    x = 522,747,922,404.44/835,421.03
  6. Step 6: Final answer
    x = 625,729.91

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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.