Home / 926,253.58-1,389,185.98-261,250.06

Finding the Fourth Proportional to 926,253.58, 1,389,185.98 and 261,250.06

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Solution

The fourth proportional to 926,253.58, 1,389,185.98 and 261,250.06 is: 391,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,253.58 : 1,389,185.98 = 261,250.06 : x
  2. Step 2: Convert to fraction form
    926,253.58/1,389,185.98 = 261,250.06/x
  3. Step 3: Cross multiply
    926,253.58x = 1,389,185.98 × 261,250.06
  4. Step 4: Simplify right side
    926,253.58x = 362,924,920,626.16
  5. Step 5: Solve for x
    x = 362,924,920,626.16/926,253.58
  6. Step 6: Final answer
    x = 391,820.26

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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.