Home / 1,313,786.64-1,970,680.32-604,411.68

Finding the Fourth Proportional to 1,313,786.64, 1,970,680.32 and 604,411.68

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Solution

The fourth proportional to 1,313,786.64, 1,970,680.32 and 604,411.68 is: 906,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,786.64 : 1,970,680.32 = 604,411.68 : x
  2. Step 2: Convert to fraction form
    1,313,786.64/1,970,680.32 = 604,411.68/x
  3. Step 3: Cross multiply
    1,313,786.64x = 1,970,680.32 × 604,411.68
  4. Step 4: Simplify right side
    1,313,786.64x = 1,191,102,202,954.14
  5. Step 5: Solve for x
    x = 1,191,102,202,954.14/1,313,786.64
  6. Step 6: Final answer
    x = 906,617.69

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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.