Home / 812,571.85-1,120,976.94-526,184.20

Finding the Fourth Proportional to 812,571.85, 1,120,976.94 and 526,184.20

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Solution

The fourth proportional to 812,571.85, 1,120,976.94 and 526,184.20 is: 725,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,571.85 : 1,120,976.94 = 526,184.20 : x
  2. Step 2: Convert to fraction form
    812,571.85/1,120,976.94 = 526,184.20/x
  3. Step 3: Cross multiply
    812,571.85x = 1,120,976.94 × 526,184.20
  4. Step 4: Simplify right side
    812,571.85x = 589,840,354,392.35
  5. Step 5: Solve for x
    x = 589,840,354,392.35/812,571.85
  6. Step 6: Final answer
    x = 725,893.17

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Double scale
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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.