Home / 751,054.60-1,036,455.78-411,522.76

Finding the Fourth Proportional to 751,054.60, 1,036,455.78 and 411,522.76

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Solution

The fourth proportional to 751,054.60, 1,036,455.78 and 411,522.76 is: 567,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,054.60 : 1,036,455.78 = 411,522.76 : x
  2. Step 2: Convert to fraction form
    751,054.60/1,036,455.78 = 411,522.76/x
  3. Step 3: Cross multiply
    751,054.60x = 1,036,455.78 × 411,522.76
  4. Step 4: Simplify right side
    751,054.60x = 426,525,143,203.55
  5. Step 5: Solve for x
    x = 426,525,143,203.55/751,054.60
  6. Step 6: Final answer
    x = 567,901.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.