Home / 896,716.20-1,345,074.30-577,851.60

Finding the Fourth Proportional to 896,716.20, 1,345,074.30 and 577,851.60

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Solution

The fourth proportional to 896,716.20, 1,345,074.30 and 577,851.60 is: 866,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,716.20 : 1,345,074.30 = 577,851.60 : x
  2. Step 2: Convert to fraction form
    896,716.20/1,345,074.30 = 577,851.60/x
  3. Step 3: Cross multiply
    896,716.20x = 1,345,074.30 × 577,851.60
  4. Step 4: Simplify right side
    896,716.20x = 777,253,336,373.88
  5. Step 5: Solve for x
    x = 777,253,336,373.88/896,716.20
  6. Step 6: Final answer
    x = 866,777.40

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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.