Home / 1,992,922.80-2,989,092.60-572,830.80

Finding the Fourth Proportional to 1,992,922.80, 2,989,092.60 and 572,830.80

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Solution

The fourth proportional to 1,992,922.80, 2,989,092.60 and 572,830.80 is: 859,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,922.80 : 2,989,092.60 = 572,830.80 : x
  2. Step 2: Convert to fraction form
    1,992,922.80/2,989,092.60 = 572,830.80/x
  3. Step 3: Cross multiply
    1,992,922.80x = 2,989,092.60 × 572,830.80
  4. Step 4: Simplify right side
    1,992,922.80x = 1,712,244,305,332.08
  5. Step 5: Solve for x
    x = 1,712,244,305,332.08/1,992,922.80
  6. Step 6: Final answer
    x = 859,162.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.