Home / 845,655.49-1,268,360.22-246,455.76

Finding the Fourth Proportional to 845,655.49, 1,268,360.22 and 246,455.76

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Solution

The fourth proportional to 845,655.49, 1,268,360.22 and 246,455.76 is: 369,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,655.49 : 1,268,360.22 = 246,455.76 : x
  2. Step 2: Convert to fraction form
    845,655.49/1,268,360.22 = 246,455.76/x
  3. Step 3: Cross multiply
    845,655.49x = 1,268,360.22 × 246,455.76
  4. Step 4: Simplify right side
    845,655.49x = 312,594,686,268.11
  5. Step 5: Solve for x
    x = 312,594,686,268.11/845,655.49
  6. Step 6: Final answer
    x = 369,647.79

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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.