Home / 873,803.78-1,205,772.38-486,589.96

Finding the Fourth Proportional to 873,803.78, 1,205,772.38 and 486,589.96

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Solution

The fourth proportional to 873,803.78, 1,205,772.38 and 486,589.96 is: 671,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,803.78 : 1,205,772.38 = 486,589.96 : x
  2. Step 2: Convert to fraction form
    873,803.78/1,205,772.38 = 486,589.96/x
  3. Step 3: Cross multiply
    873,803.78x = 1,205,772.38 × 486,589.96
  4. Step 4: Simplify right side
    873,803.78x = 586,716,728,124.44
  5. Step 5: Solve for x
    x = 586,716,728,124.44/873,803.78
  6. Step 6: Final answer
    x = 671,451.35

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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.