Home / 1,781,999.80-2,673,102.10-520,022.20

Finding the Fourth Proportional to 1,781,999.80, 2,673,102.10 and 520,022.20

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Solution

The fourth proportional to 1,781,999.80, 2,673,102.10 and 520,022.20 is: 780,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,999.80 : 2,673,102.10 = 520,022.20 : x
  2. Step 2: Convert to fraction form
    1,781,999.80/2,673,102.10 = 520,022.20/x
  3. Step 3: Cross multiply
    1,781,999.80x = 2,673,102.10 × 520,022.20
  4. Step 4: Simplify right side
    1,781,999.80x = 1,390,072,434,866.62
  5. Step 5: Solve for x
    x = 1,390,072,434,866.62/1,781,999.80
  6. Step 6: Final answer
    x = 780,063.18

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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.