Home / 1,137,963.77-1,570,498.64-621,796.13

Finding the Fourth Proportional to 1,137,963.77, 1,570,498.64 and 621,796.13

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Solution

The fourth proportional to 1,137,963.77, 1,570,498.64 and 621,796.13 is: 858,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,963.77 : 1,570,498.64 = 621,796.13 : x
  2. Step 2: Convert to fraction form
    1,137,963.77/1,570,498.64 = 621,796.13/x
  3. Step 3: Cross multiply
    1,137,963.77x = 1,570,498.64 × 621,796.13
  4. Step 4: Simplify right side
    1,137,963.77x = 976,529,973,781.90
  5. Step 5: Solve for x
    x = 976,529,973,781.90/1,137,963.77
  6. Step 6: Final answer
    x = 858,138.02

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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.