Home / 851,187.15-1,174,646.25-469,227.60

Finding the Fourth Proportional to 851,187.15, 1,174,646.25 and 469,227.60

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Solution

The fourth proportional to 851,187.15, 1,174,646.25 and 469,227.60 is: 647,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,187.15 : 1,174,646.25 = 469,227.60 : x
  2. Step 2: Convert to fraction form
    851,187.15/1,174,646.25 = 469,227.60/x
  3. Step 3: Cross multiply
    851,187.15x = 1,174,646.25 × 469,227.60
  4. Step 4: Simplify right side
    851,187.15x = 551,176,440,736.50
  5. Step 5: Solve for x
    x = 551,176,440,736.50/851,187.15
  6. Step 6: Final answer
    x = 647,538.49

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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.