Home / 926,254.58-1,389,187.47-261,251.06

Finding the Fourth Proportional to 926,254.58, 1,389,187.47 and 261,251.06

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Solution

The fourth proportional to 926,254.58, 1,389,187.47 and 261,251.06 is: 391,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,254.58 : 1,389,187.47 = 261,251.06 : x
  2. Step 2: Convert to fraction form
    926,254.58/1,389,187.47 = 261,251.06/x
  3. Step 3: Cross multiply
    926,254.58x = 1,389,187.47 × 261,251.06
  4. Step 4: Simplify right side
    926,254.58x = 362,926,699,076.22
  5. Step 5: Solve for x
    x = 362,926,699,076.22/926,254.58
  6. Step 6: Final answer
    x = 391,821.76

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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.