Home / 1,059,208.60-1,588,812.90-978,338.20

Finding the Fourth Proportional to 1,059,208.60, 1,588,812.90 and 978,338.20

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Solution

The fourth proportional to 1,059,208.60, 1,588,812.90 and 978,338.20 is: 1,467,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,208.60 : 1,588,812.90 = 978,338.20 : x
  2. Step 2: Convert to fraction form
    1,059,208.60/1,588,812.90 = 978,338.20/x
  3. Step 3: Cross multiply
    1,059,208.60x = 1,588,812.90 × 978,338.20
  4. Step 4: Simplify right side
    1,059,208.60x = 1,554,396,352,722.78
  5. Step 5: Solve for x
    x = 1,554,396,352,722.78/1,059,208.60
  6. Step 6: Final answer
    x = 1,467,507.30

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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.