Home / 362,566.77-542,964.40-312,965.61

Finding the Fourth Proportional to 362,566.77, 542,964.40 and 312,965.61

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Solution

The fourth proportional to 362,566.77, 542,964.40 and 312,965.61 is: 468,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,566.77 : 542,964.40 = 312,965.61 : x
  2. Step 2: Convert to fraction form
    362,566.77/542,964.40 = 312,965.61/x
  3. Step 3: Cross multiply
    362,566.77x = 542,964.40 × 312,965.61
  4. Step 4: Simplify right side
    362,566.77x = 169,929,181,835.75
  5. Step 5: Solve for x
    x = 169,929,181,835.75/362,566.77
  6. Step 6: Final answer
    x = 468,683.83

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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.