Home / 713,165.86-1,070,097.09-313,756.75

Finding the Fourth Proportional to 713,165.86, 1,070,097.09 and 313,756.75

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Solution

The fourth proportional to 713,165.86, 1,070,097.09 and 313,756.75 is: 470,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,165.86 : 1,070,097.09 = 313,756.75 : x
  2. Step 2: Convert to fraction form
    713,165.86/1,070,097.09 = 313,756.75/x
  3. Step 3: Cross multiply
    713,165.86x = 1,070,097.09 × 313,756.75
  4. Step 4: Simplify right side
    713,165.86x = 335,750,185,142.86
  5. Step 5: Solve for x
    x = 335,750,185,142.86/713,165.86
  6. Step 6: Final answer
    x = 470,788.36

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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.