Home / 926,258.41-1,389,193.20-261,254.89

Finding the Fourth Proportional to 926,258.41, 1,389,193.20 and 261,254.89

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Solution

The fourth proportional to 926,258.41, 1,389,193.20 and 261,254.89 is: 391,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,258.41 : 1,389,193.20 = 261,254.89 : x
  2. Step 2: Convert to fraction form
    926,258.41/1,389,193.20 = 261,254.89/x
  3. Step 3: Cross multiply
    926,258.41x = 1,389,193.20 × 261,254.89
  4. Step 4: Simplify right side
    926,258.41x = 362,933,516,654.75
  5. Step 5: Solve for x
    x = 362,933,516,654.75/926,258.41
  6. Step 6: Final answer
    x = 391,827.50

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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.