Home / 872,851.04-1,204,515.52-505,343.68

Finding the Fourth Proportional to 872,851.04, 1,204,515.52 and 505,343.68

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Solution

The fourth proportional to 872,851.04, 1,204,515.52 and 505,343.68 is: 697,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,851.04 : 1,204,515.52 = 505,343.68 : x
  2. Step 2: Convert to fraction form
    872,851.04/1,204,515.52 = 505,343.68/x
  3. Step 3: Cross multiply
    872,851.04x = 1,204,515.52 × 505,343.68
  4. Step 4: Simplify right side
    872,851.04x = 608,694,305,493.91
  5. Step 5: Solve for x
    x = 608,694,305,493.91/872,851.04
  6. Step 6: Final answer
    x = 697,363.33

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1.5x scale

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.