Home / 1,206,704.72-1,665,155.40-697,440.08

Finding the Fourth Proportional to 1,206,704.72, 1,665,155.40 and 697,440.08

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Solution

The fourth proportional to 1,206,704.72, 1,665,155.40 and 697,440.08 is: 962,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,704.72 : 1,665,155.40 = 697,440.08 : x
  2. Step 2: Convert to fraction form
    1,206,704.72/1,665,155.40 = 697,440.08/x
  3. Step 3: Cross multiply
    1,206,704.72x = 1,665,155.40 × 697,440.08
  4. Step 4: Simplify right side
    1,206,704.72x = 1,161,346,115,388.43
  5. Step 5: Solve for x
    x = 1,161,346,115,388.43/1,206,704.72
  6. Step 6: Final answer
    x = 962,411.18

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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.