Home / 724,486.90-1,086,730.35-251,014.90

Finding the Fourth Proportional to 724,486.90, 1,086,730.35 and 251,014.90

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Solution

The fourth proportional to 724,486.90, 1,086,730.35 and 251,014.90 is: 376,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,486.90 : 1,086,730.35 = 251,014.90 : x
  2. Step 2: Convert to fraction form
    724,486.90/1,086,730.35 = 251,014.90/x
  3. Step 3: Cross multiply
    724,486.90x = 1,086,730.35 × 251,014.90
  4. Step 4: Simplify right side
    724,486.90x = 272,785,510,132.22
  5. Step 5: Solve for x
    x = 272,785,510,132.22/724,486.90
  6. Step 6: Final answer
    x = 376,522.35

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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.