Home / 885,520.92-1,222,334.39-522,946.25

Finding the Fourth Proportional to 885,520.92, 1,222,334.39 and 522,946.25

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Solution

The fourth proportional to 885,520.92, 1,222,334.39 and 522,946.25 is: 721,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,520.92 : 1,222,334.39 = 522,946.25 : x
  2. Step 2: Convert to fraction form
    885,520.92/1,222,334.39 = 522,946.25/x
  3. Step 3: Cross multiply
    885,520.92x = 1,222,334.39 × 522,946.25
  4. Step 4: Simplify right side
    885,520.92x = 639,215,176,770.13
  5. Step 5: Solve for x
    x = 639,215,176,770.13/885,520.92
  6. Step 6: Final answer
    x = 721,852.15

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Double scale
Find fourth proportional to 885,521.92, 1,222,335.77 and 522,947.25
Similar ratio
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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.