Home / 934,509.76-1,289,623.96-504,789.88

Finding the Fourth Proportional to 934,509.76, 1,289,623.96 and 504,789.88

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Solution

The fourth proportional to 934,509.76, 1,289,623.96 and 504,789.88 is: 696,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,509.76 : 1,289,623.96 = 504,789.88 : x
  2. Step 2: Convert to fraction form
    934,509.76/1,289,623.96 = 504,789.88/x
  3. Step 3: Cross multiply
    934,509.76x = 1,289,623.96 × 504,789.88
  4. Step 4: Simplify right side
    934,509.76x = 650,989,124,013.53
  5. Step 5: Solve for x
    x = 650,989,124,013.53/934,509.76
  6. Step 6: Final answer
    x = 696,610.30

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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.