Home / 641,707.02-885,168.27-412,187.04

Finding the Fourth Proportional to 641,707.02, 885,168.27 and 412,187.04

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Solution

The fourth proportional to 641,707.02, 885,168.27 and 412,187.04 is: 568,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,707.02 : 885,168.27 = 412,187.04 : x
  2. Step 2: Convert to fraction form
    641,707.02/885,168.27 = 412,187.04/x
  3. Step 3: Cross multiply
    641,707.02x = 885,168.27 × 412,187.04
  4. Step 4: Simplify right side
    641,707.02x = 364,854,889,113.22
  5. Step 5: Solve for x
    x = 364,854,889,113.22/641,707.02
  6. Step 6: Final answer
    x = 568,569.27

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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.