Home / 715,783.22-1,072,887.50-294,829.46

Finding the Fourth Proportional to 715,783.22, 1,072,887.50 and 294,829.46

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Solution

The fourth proportional to 715,783.22, 1,072,887.50 and 294,829.46 is: 441,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,783.22 : 1,072,887.50 = 294,829.46 : x
  2. Step 2: Convert to fraction form
    715,783.22/1,072,887.50 = 294,829.46/x
  3. Step 3: Cross multiply
    715,783.22x = 1,072,887.50 × 294,829.46
  4. Step 4: Simplify right side
    715,783.22x = 316,318,842,265.75
  5. Step 5: Solve for x
    x = 316,318,842,265.75/715,783.22
  6. Step 6: Final answer
    x = 441,919.89

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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.