Home / 751,045.20-1,125,116.10-417,610.32

Finding the Fourth Proportional to 751,045.20, 1,125,116.10 and 417,610.32

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Solution

The fourth proportional to 751,045.20, 1,125,116.10 and 417,610.32 is: 625,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,045.20 : 1,125,116.10 = 417,610.32 : x
  2. Step 2: Convert to fraction form
    751,045.20/1,125,116.10 = 417,610.32/x
  3. Step 3: Cross multiply
    751,045.20x = 1,125,116.10 × 417,610.32
  4. Step 4: Simplify right side
    751,045.20x = 469,860,094,558.15
  5. Step 5: Solve for x
    x = 469,860,094,558.15/751,045.20
  6. Step 6: Final answer
    x = 625,608.28

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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.