Home / 909,760.32-1,361,997.36-529,520.40

Finding the Fourth Proportional to 909,760.32, 1,361,997.36 and 529,520.40

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Solution

The fourth proportional to 909,760.32, 1,361,997.36 and 529,520.40 is: 792,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,760.32 : 1,361,997.36 = 529,520.40 : x
  2. Step 2: Convert to fraction form
    909,760.32/1,361,997.36 = 529,520.40/x
  3. Step 3: Cross multiply
    909,760.32x = 1,361,997.36 × 529,520.40
  4. Step 4: Simplify right side
    909,760.32x = 721,205,386,866.14
  5. Step 5: Solve for x
    x = 721,205,386,866.14/909,760.32
  6. Step 6: Final answer
    x = 792,742.19

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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.