Home / 827,603.70-1,241,405.55-328,967.70

Finding the Fourth Proportional to 827,603.70, 1,241,405.55 and 328,967.70

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Solution

The fourth proportional to 827,603.70, 1,241,405.55 and 328,967.70 is: 493,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,603.70 : 1,241,405.55 = 328,967.70 : x
  2. Step 2: Convert to fraction form
    827,603.70/1,241,405.55 = 328,967.70/x
  3. Step 3: Cross multiply
    827,603.70x = 1,241,405.55 × 328,967.70
  4. Step 4: Simplify right side
    827,603.70x = 408,382,328,550.74
  5. Step 5: Solve for x
    x = 408,382,328,550.74/827,603.70
  6. Step 6: Final answer
    x = 493,451.55

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1.5x scale

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.