Home / 866,150.57-1,195,295.52-478,992.04

Finding the Fourth Proportional to 866,150.57, 1,195,295.52 and 478,992.04

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Solution

The fourth proportional to 866,150.57, 1,195,295.52 and 478,992.04 is: 661,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,150.57 : 1,195,295.52 = 478,992.04 : x
  2. Step 2: Convert to fraction form
    866,150.57/1,195,295.52 = 478,992.04/x
  3. Step 3: Cross multiply
    866,150.57x = 1,195,295.52 × 478,992.04
  4. Step 4: Simplify right side
    866,150.57x = 572,537,039,003.08
  5. Step 5: Solve for x
    x = 572,537,039,003.08/866,150.57
  6. Step 6: Final answer
    x = 661,013.29

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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.