Home / 1,197,103.86-1,652,675.81-830,113.11

Finding the Fourth Proportional to 1,197,103.86, 1,652,675.81 and 830,113.11

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Solution

The fourth proportional to 1,197,103.86, 1,652,675.81 and 830,113.11 is: 1,146,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,103.86 : 1,652,675.81 = 830,113.11 : x
  2. Step 2: Convert to fraction form
    1,197,103.86/1,652,675.81 = 830,113.11/x
  3. Step 3: Cross multiply
    1,197,103.86x = 1,652,675.81 × 830,113.11
  4. Step 4: Simplify right side
    1,197,103.86x = 1,371,907,852,310.30
  5. Step 5: Solve for x
    x = 1,371,907,852,310.30/1,197,103.86
  6. Step 6: Final answer
    x = 1,146,022.41

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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.