Home / 445,065.09-614,190.47-263,865.75

Finding the Fourth Proportional to 445,065.09, 614,190.47 and 263,865.75

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Solution

The fourth proportional to 445,065.09, 614,190.47 and 263,865.75 is: 364,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,065.09 : 614,190.47 = 263,865.75 : x
  2. Step 2: Convert to fraction form
    445,065.09/614,190.47 = 263,865.75/x
  3. Step 3: Cross multiply
    445,065.09x = 614,190.47 × 263,865.75
  4. Step 4: Simplify right side
    445,065.09x = 162,063,827,690.07
  5. Step 5: Solve for x
    x = 162,063,827,690.07/445,065.09
  6. Step 6: Final answer
    x = 364,135.11

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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.