Home / 1,507,032.16-2,079,696.06-818,698.51

Finding the Fourth Proportional to 1,507,032.16, 2,079,696.06 and 818,698.51

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Solution

The fourth proportional to 1,507,032.16, 2,079,696.06 and 818,698.51 is: 1,129,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,032.16 : 2,079,696.06 = 818,698.51 : x
  2. Step 2: Convert to fraction form
    1,507,032.16/2,079,696.06 = 818,698.51/x
  3. Step 3: Cross multiply
    1,507,032.16x = 2,079,696.06 × 818,698.51
  4. Step 4: Simplify right side
    1,507,032.16x = 1,702,644,074,023.64
  5. Step 5: Solve for x
    x = 1,702,644,074,023.64/1,507,032.16
  6. Step 6: Final answer
    x = 1,129,799.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.