Home / 853,966.59-1,281,016.02-285,349.66

Finding the Fourth Proportional to 853,966.59, 1,281,016.02 and 285,349.66

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Solution

The fourth proportional to 853,966.59, 1,281,016.02 and 285,349.66 is: 428,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,966.59 : 1,281,016.02 = 285,349.66 : x
  2. Step 2: Convert to fraction form
    853,966.59/1,281,016.02 = 285,349.66/x
  3. Step 3: Cross multiply
    853,966.59x = 1,281,016.02 × 285,349.66
  4. Step 4: Simplify right side
    853,966.59x = 365,537,485,761.55
  5. Step 5: Solve for x
    x = 365,537,485,761.55/853,966.59
  6. Step 6: Final answer
    x = 428,046.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.