Home / 1,673,134.79-2,308,960.18-909,237.56

Finding the Fourth Proportional to 1,673,134.79, 2,308,960.18 and 909,237.56

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Solution

The fourth proportional to 1,673,134.79, 2,308,960.18 and 909,237.56 is: 1,254,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,134.79 : 2,308,960.18 = 909,237.56 : x
  2. Step 2: Convert to fraction form
    1,673,134.79/2,308,960.18 = 909,237.56/x
  3. Step 3: Cross multiply
    1,673,134.79x = 2,308,960.18 × 909,237.56
  4. Step 4: Simplify right side
    1,673,134.79x = 2,099,393,309,792.11
  5. Step 5: Solve for x
    x = 2,099,393,309,792.11/1,673,134.79
  6. Step 6: Final answer
    x = 1,254,766.40

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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.