Home / 1,719,500.49-2,575,317.38-821,573.37

Finding the Fourth Proportional to 1,719,500.49, 2,575,317.38 and 821,573.37

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Solution

The fourth proportional to 1,719,500.49, 2,575,317.38 and 821,573.37 is: 1,230,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,500.49 : 2,575,317.38 = 821,573.37 : x
  2. Step 2: Convert to fraction form
    1,719,500.49/2,575,317.38 = 821,573.37/x
  3. Step 3: Cross multiply
    1,719,500.49x = 2,575,317.38 × 821,573.37
  4. Step 4: Simplify right side
    1,719,500.49x = 2,115,812,174,598.30
  5. Step 5: Solve for x
    x = 2,115,812,174,598.30/1,719,500.49
  6. Step 6: Final answer
    x = 1,230,480.70

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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.