Home / 1,116,200.70-1,674,689.85-485,567.10

Finding the Fourth Proportional to 1,116,200.70, 1,674,689.85 and 485,567.10

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Solution

The fourth proportional to 1,116,200.70, 1,674,689.85 and 485,567.10 is: 728,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,200.70 : 1,674,689.85 = 485,567.10 : x
  2. Step 2: Convert to fraction form
    1,116,200.70/1,674,689.85 = 485,567.10/x
  3. Step 3: Cross multiply
    1,116,200.70x = 1,674,689.85 × 485,567.10
  4. Step 4: Simplify right side
    1,116,200.70x = 813,174,293,863.94
  5. Step 5: Solve for x
    x = 813,174,293,863.94/1,116,200.70
  6. Step 6: Final answer
    x = 728,519.78

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Double scale
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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.