Home / 806,674.20-1,210,011.30-541,253.40

Finding the Fourth Proportional to 806,674.20, 1,210,011.30 and 541,253.40

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Solution

The fourth proportional to 806,674.20, 1,210,011.30 and 541,253.40 is: 811,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,674.20 : 1,210,011.30 = 541,253.40 : x
  2. Step 2: Convert to fraction form
    806,674.20/1,210,011.30 = 541,253.40/x
  3. Step 3: Cross multiply
    806,674.20x = 1,210,011.30 × 541,253.40
  4. Step 4: Simplify right side
    806,674.20x = 654,922,730,163.42
  5. Step 5: Solve for x
    x = 654,922,730,163.42/806,674.20
  6. Step 6: Final answer
    x = 811,880.10

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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.