Home / 806,700.20-1,210,050.30-541,279.40

Finding the Fourth Proportional to 806,700.20, 1,210,050.30 and 541,279.40

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Solution

The fourth proportional to 806,700.20, 1,210,050.30 and 541,279.40 is: 811,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,700.20 : 1,210,050.30 = 541,279.40 : x
  2. Step 2: Convert to fraction form
    806,700.20/1,210,050.30 = 541,279.40/x
  3. Step 3: Cross multiply
    806,700.20x = 1,210,050.30 × 541,279.40
  4. Step 4: Simplify right side
    806,700.20x = 654,975,300,353.82
  5. Step 5: Solve for x
    x = 654,975,300,353.82/806,700.20
  6. Step 6: Final answer
    x = 811,919.10

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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.