Home / 817,918.03-1,127,992.03-512,022.26

Finding the Fourth Proportional to 817,918.03, 1,127,992.03 and 512,022.26

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Solution

The fourth proportional to 817,918.03, 1,127,992.03 and 512,022.26 is: 706,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,918.03 : 1,127,992.03 = 512,022.26 : x
  2. Step 2: Convert to fraction form
    817,918.03/1,127,992.03 = 512,022.26/x
  3. Step 3: Cross multiply
    817,918.03x = 1,127,992.03 × 512,022.26
  4. Step 4: Simplify right side
    817,918.03x = 577,557,030,002.51
  5. Step 5: Solve for x
    x = 577,557,030,002.51/817,918.03
  6. Step 6: Final answer
    x = 706,130.70

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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.