Home / 873,274.60-1,205,033.16-491,293.18

Finding the Fourth Proportional to 873,274.60, 1,205,033.16 and 491,293.18

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Solution

The fourth proportional to 873,274.60, 1,205,033.16 and 491,293.18 is: 677,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,274.60 : 1,205,033.16 = 491,293.18 : x
  2. Step 2: Convert to fraction form
    873,274.60/1,205,033.16 = 491,293.18/x
  3. Step 3: Cross multiply
    873,274.60x = 1,205,033.16 × 491,293.18
  4. Step 4: Simplify right side
    873,274.60x = 592,024,573,181.85
  5. Step 5: Solve for x
    x = 592,024,573,181.85/873,274.60
  6. Step 6: Final answer
    x = 677,936.33

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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.