Home / 806,663.70-1,209,995.55-541,242.90

Finding the Fourth Proportional to 806,663.70, 1,209,995.55 and 541,242.90

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Solution

The fourth proportional to 806,663.70, 1,209,995.55 and 541,242.90 is: 811,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,663.70 : 1,209,995.55 = 541,242.90 : x
  2. Step 2: Convert to fraction form
    806,663.70/1,209,995.55 = 541,242.90/x
  3. Step 3: Cross multiply
    806,663.70x = 1,209,995.55 × 541,242.90
  4. Step 4: Simplify right side
    806,663.70x = 654,901,500,469.10
  5. Step 5: Solve for x
    x = 654,901,500,469.10/806,663.70
  6. Step 6: Final answer
    x = 811,864.35

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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.