Home / 1,201,893.47-1,658,612.19-658,029.12

Finding the Fourth Proportional to 1,201,893.47, 1,658,612.19 and 658,029.12

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Solution

The fourth proportional to 1,201,893.47, 1,658,612.19 and 658,029.12 is: 908,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,893.47 : 1,658,612.19 = 658,029.12 : x
  2. Step 2: Convert to fraction form
    1,201,893.47/1,658,612.19 = 658,029.12/x
  3. Step 3: Cross multiply
    1,201,893.47x = 1,658,612.19 × 658,029.12
  4. Step 4: Simplify right side
    1,201,893.47x = 1,091,415,119,806.97
  5. Step 5: Solve for x
    x = 1,091,415,119,806.97/1,201,893.47
  6. Step 6: Final answer
    x = 908,079.75

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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.