Home / 1,256,469.89-1,884,680.53-357,917.45

Finding the Fourth Proportional to 1,256,469.89, 1,884,680.53 and 357,917.45

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Solution

The fourth proportional to 1,256,469.89, 1,884,680.53 and 357,917.45 is: 536,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,469.89 : 1,884,680.53 = 357,917.45 : x
  2. Step 2: Convert to fraction form
    1,256,469.89/1,884,680.53 = 357,917.45/x
  3. Step 3: Cross multiply
    1,256,469.89x = 1,884,680.53 × 357,917.45
  4. Step 4: Simplify right side
    1,256,469.89x = 674,560,039,044.05
  5. Step 5: Solve for x
    x = 674,560,039,044.05/1,256,469.89
  6. Step 6: Final answer
    x = 536,869.25

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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.