Home / 1,009,577.36-1,513,343.64-654,816.56

Finding the Fourth Proportional to 1,009,577.36, 1,513,343.64 and 654,816.56

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Solution

The fourth proportional to 1,009,577.36, 1,513,343.64 and 654,816.56 is: 981,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,577.36 : 1,513,343.64 = 654,816.56 : x
  2. Step 2: Convert to fraction form
    1,009,577.36/1,513,343.64 = 654,816.56/x
  3. Step 3: Cross multiply
    1,009,577.36x = 1,513,343.64 × 654,816.56
  4. Step 4: Simplify right side
    1,009,577.36x = 990,962,476,442.68
  5. Step 5: Solve for x
    x = 990,962,476,442.68/1,009,577.36
  6. Step 6: Final answer
    x = 981,561.71

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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.