Home / 1,191,822.66-1,645,393.10-785,106.27

Finding the Fourth Proportional to 1,191,822.66, 1,645,393.10 and 785,106.27

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Solution

The fourth proportional to 1,191,822.66, 1,645,393.10 and 785,106.27 is: 1,083,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,822.66 : 1,645,393.10 = 785,106.27 : x
  2. Step 2: Convert to fraction form
    1,191,822.66/1,645,393.10 = 785,106.27/x
  3. Step 3: Cross multiply
    1,191,822.66x = 1,645,393.10 × 785,106.27
  4. Step 4: Simplify right side
    1,191,822.66x = 1,291,808,435,499.21
  5. Step 5: Solve for x
    x = 1,291,808,435,499.21/1,191,822.66
  6. Step 6: Final answer
    x = 1,083,893.17

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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.