Home / 1,003,340.37-1,505,240.43-434,816.91

Finding the Fourth Proportional to 1,003,340.37, 1,505,240.43 and 434,816.91

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Solution

The fourth proportional to 1,003,340.37, 1,505,240.43 and 434,816.91 is: 652,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,340.37 : 1,505,240.43 = 434,816.91 : x
  2. Step 2: Convert to fraction form
    1,003,340.37/1,505,240.43 = 434,816.91/x
  3. Step 3: Cross multiply
    1,003,340.37x = 1,505,240.43 × 434,816.91
  4. Step 4: Simplify right side
    1,003,340.37x = 654,503,992,579.67
  5. Step 5: Solve for x
    x = 654,503,992,579.67/1,003,340.37
  6. Step 6: Final answer
    x = 652,324.99

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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.