Home / 804,150.05-1,108,966.42-528,020.91

Finding the Fourth Proportional to 804,150.05, 1,108,966.42 and 528,020.91

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Solution

The fourth proportional to 804,150.05, 1,108,966.42 and 528,020.91 is: 728,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,150.05 : 1,108,966.42 = 528,020.91 : x
  2. Step 2: Convert to fraction form
    804,150.05/1,108,966.42 = 528,020.91/x
  3. Step 3: Cross multiply
    804,150.05x = 1,108,966.42 × 528,020.91
  4. Step 4: Simplify right side
    804,150.05x = 585,557,455,083.60
  5. Step 5: Solve for x
    x = 585,557,455,083.60/804,150.05
  6. Step 6: Final answer
    x = 728,169.40

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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.