Home / 1,131,592.98-1,561,550.72-641,595.44

Finding the Fourth Proportional to 1,131,592.98, 1,561,550.72 and 641,595.44

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Solution

The fourth proportional to 1,131,592.98, 1,561,550.72 and 641,595.44 is: 885,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,592.98 : 1,561,550.72 = 641,595.44 : x
  2. Step 2: Convert to fraction form
    1,131,592.98/1,561,550.72 = 641,595.44/x
  3. Step 3: Cross multiply
    1,131,592.98x = 1,561,550.72 × 641,595.44
  4. Step 4: Simplify right side
    1,131,592.98x = 1,001,883,821,280.72
  5. Step 5: Solve for x
    x = 1,001,883,821,280.72/1,131,592.98
  6. Step 6: Final answer
    x = 885,374.72

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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.