Home / 926,254.40-1,389,187.19-261,250.88

Finding the Fourth Proportional to 926,254.40, 1,389,187.19 and 261,250.88

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Solution

The fourth proportional to 926,254.40, 1,389,187.19 and 261,250.88 is: 391,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,254.40 : 1,389,187.19 = 261,250.88 : x
  2. Step 2: Convert to fraction form
    926,254.40/1,389,187.19 = 261,250.88/x
  3. Step 3: Cross multiply
    926,254.40x = 1,389,187.19 × 261,250.88
  4. Step 4: Simplify right side
    926,254.40x = 362,926,369,579.42
  5. Step 5: Solve for x
    x = 362,926,369,579.42/926,254.40
  6. Step 6: Final answer
    x = 391,821.48

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Double scale
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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.