Home / 1,327,728.80-1,991,590.14-569,078.35

Finding the Fourth Proportional to 1,327,728.80, 1,991,590.14 and 569,078.35

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Solution

The fourth proportional to 1,327,728.80, 1,991,590.14 and 569,078.35 is: 853,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,728.80 : 1,991,590.14 = 569,078.35 : x
  2. Step 2: Convert to fraction form
    1,327,728.80/1,991,590.14 = 569,078.35/x
  3. Step 3: Cross multiply
    1,327,728.80x = 1,991,590.14 × 569,078.35
  4. Step 4: Simplify right side
    1,327,728.80x = 1,133,370,830,747.47
  5. Step 5: Solve for x
    x = 1,133,370,830,747.47/1,327,728.80
  6. Step 6: Final answer
    x = 853,616.21

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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.