Home / 548,512.20-822,768.30-525,184.20

Finding the Fourth Proportional to 548,512.20, 822,768.30 and 525,184.20

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Solution

The fourth proportional to 548,512.20, 822,768.30 and 525,184.20 is: 787,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,512.20 : 822,768.30 = 525,184.20 : x
  2. Step 2: Convert to fraction form
    548,512.20/822,768.30 = 525,184.20/x
  3. Step 3: Cross multiply
    548,512.20x = 822,768.30 × 525,184.20
  4. Step 4: Simplify right side
    548,512.20x = 432,104,911,420.86
  5. Step 5: Solve for x
    x = 432,104,911,420.86/548,512.20
  6. Step 6: Final answer
    x = 787,776.30

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Double scale
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Similar ratio
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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.