Home / 1,781,995.80-2,673,605.70-520,008.60

Finding the Fourth Proportional to 1,781,995.80, 2,673,605.70 and 520,008.60

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Solution

The fourth proportional to 1,781,995.80, 2,673,605.70 and 520,008.60 is: 780,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,995.80 : 2,673,605.70 = 520,008.60 : x
  2. Step 2: Convert to fraction form
    1,781,995.80/2,673,605.70 = 520,008.60/x
  3. Step 3: Cross multiply
    1,781,995.80x = 2,673,605.70 × 520,008.60
  4. Step 4: Simplify right side
    1,781,995.80x = 1,390,297,957,009.02
  5. Step 5: Solve for x
    x = 1,390,297,957,009.02/1,781,995.80
  6. Step 6: Final answer
    x = 780,191.49

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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.