Home / 1,119,620.51-1,679,105.39-436,355.29

Finding the Fourth Proportional to 1,119,620.51, 1,679,105.39 and 436,355.29

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Solution

The fourth proportional to 1,119,620.51, 1,679,105.39 and 436,355.29 is: 654,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,620.51 : 1,679,105.39 = 436,355.29 : x
  2. Step 2: Convert to fraction form
    1,119,620.51/1,679,105.39 = 436,355.29/x
  3. Step 3: Cross multiply
    1,119,620.51x = 1,679,105.39 × 436,355.29
  4. Step 4: Simplify right side
    1,119,620.51x = 732,686,516,287.14
  5. Step 5: Solve for x
    x = 732,686,516,287.14/1,119,620.51
  6. Step 6: Final answer
    x = 654,406.13

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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.