Home / 470,629.60-706,294.32-190,149.28

Finding the Fourth Proportional to 470,629.60, 706,294.32 and 190,149.28

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Solution

The fourth proportional to 470,629.60, 706,294.32 and 190,149.28 is: 285,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,629.60 : 706,294.32 = 190,149.28 : x
  2. Step 2: Convert to fraction form
    470,629.60/706,294.32 = 190,149.28/x
  3. Step 3: Cross multiply
    470,629.60x = 706,294.32 × 190,149.28
  4. Step 4: Simplify right side
    470,629.60x = 134,301,356,416.09
  5. Step 5: Solve for x
    x = 134,301,356,416.09/470,629.60
  6. Step 6: Final answer
    x = 285,365.30

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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.