Home / 775,528.20-1,163,292.30-510,107.40

Finding the Fourth Proportional to 775,528.20, 1,163,292.30 and 510,107.40

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Solution

The fourth proportional to 775,528.20, 1,163,292.30 and 510,107.40 is: 765,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,528.20 : 1,163,292.30 = 510,107.40 : x
  2. Step 2: Convert to fraction form
    775,528.20/1,163,292.30 = 510,107.40/x
  3. Step 3: Cross multiply
    775,528.20x = 1,163,292.30 × 510,107.40
  4. Step 4: Simplify right side
    775,528.20x = 593,404,010,593.02
  5. Step 5: Solve for x
    x = 593,404,010,593.02/775,528.20
  6. Step 6: Final answer
    x = 765,161.10

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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.