Home / 891,119.20-1,336,678.80-536,825.20

Finding the Fourth Proportional to 891,119.20, 1,336,678.80 and 536,825.20

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Solution

The fourth proportional to 891,119.20, 1,336,678.80 and 536,825.20 is: 805,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,119.20 : 1,336,678.80 = 536,825.20 : x
  2. Step 2: Convert to fraction form
    891,119.20/1,336,678.80 = 536,825.20/x
  3. Step 3: Cross multiply
    891,119.20x = 1,336,678.80 × 536,825.20
  4. Step 4: Simplify right side
    891,119.20x = 717,562,864,145.76
  5. Step 5: Solve for x
    x = 717,562,864,145.76/891,119.20
  6. Step 6: Final answer
    x = 805,237.80

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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.