Home / 845,607.82-1,268,276.70-246,428.83

Finding the Fourth Proportional to 845,607.82, 1,268,276.70 and 246,428.83

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Solution

The fourth proportional to 845,607.82, 1,268,276.70 and 246,428.83 is: 369,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,607.82 : 1,268,276.70 = 246,428.83 : x
  2. Step 2: Convert to fraction form
    845,607.82/1,268,276.70 = 246,428.83/x
  3. Step 3: Cross multiply
    845,607.82x = 1,268,276.70 × 246,428.83
  4. Step 4: Simplify right side
    845,607.82x = 312,539,943,297.26
  5. Step 5: Solve for x
    x = 312,539,943,297.26/845,607.82
  6. Step 6: Final answer
    x = 369,603.89

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Double scale
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Similar ratio
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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.