Home / 872,827.12-1,204,395.64-485,551.04

Finding the Fourth Proportional to 872,827.12, 1,204,395.64 and 485,551.04

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Solution

The fourth proportional to 872,827.12, 1,204,395.64 and 485,551.04 is: 670,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,827.12 : 1,204,395.64 = 485,551.04 : x
  2. Step 2: Convert to fraction form
    872,827.12/1,204,395.64 = 485,551.04/x
  3. Step 3: Cross multiply
    872,827.12x = 1,204,395.64 × 485,551.04
  4. Step 4: Simplify right side
    872,827.12x = 584,795,555,573.47
  5. Step 5: Solve for x
    x = 584,795,555,573.47/872,827.12
  6. Step 6: Final answer
    x = 670,001.59

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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.