Home / 837,746.07-1,256,632.94-405,212.14

Finding the Fourth Proportional to 837,746.07, 1,256,632.94 and 405,212.14

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Solution

The fourth proportional to 837,746.07, 1,256,632.94 and 405,212.14 is: 607,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,746.07 : 1,256,632.94 = 405,212.14 : x
  2. Step 2: Convert to fraction form
    837,746.07/1,256,632.94 = 405,212.14/x
  3. Step 3: Cross multiply
    837,746.07x = 1,256,632.94 × 405,212.14
  4. Step 4: Simplify right side
    837,746.07x = 509,202,929,214.90
  5. Step 5: Solve for x
    x = 509,202,929,214.90/837,746.07
  6. Step 6: Final answer
    x = 607,824.91

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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.