Home / 1,228,555.30-1,842,832.95-697,114.30

Finding the Fourth Proportional to 1,228,555.30, 1,842,832.95 and 697,114.30

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Solution

The fourth proportional to 1,228,555.30, 1,842,832.95 and 697,114.30 is: 1,045,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,555.30 : 1,842,832.95 = 697,114.30 : x
  2. Step 2: Convert to fraction form
    1,228,555.30/1,842,832.95 = 697,114.30/x
  3. Step 3: Cross multiply
    1,228,555.30x = 1,842,832.95 × 697,114.30
  4. Step 4: Simplify right side
    1,228,555.30x = 1,284,665,201,956.19
  5. Step 5: Solve for x
    x = 1,284,665,201,956.19/1,228,555.30
  6. Step 6: Final answer
    x = 1,045,671.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.