Home / 697,220.95-1,045,836.04-191,835.33

Finding the Fourth Proportional to 697,220.95, 1,045,836.04 and 191,835.33

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Solution

The fourth proportional to 697,220.95, 1,045,836.04 and 191,835.33 is: 287,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,220.95 : 1,045,836.04 = 191,835.33 : x
  2. Step 2: Convert to fraction form
    697,220.95/1,045,836.04 = 191,835.33/x
  3. Step 3: Cross multiply
    697,220.95x = 1,045,836.04 × 191,835.33
  4. Step 4: Simplify right side
    697,220.95x = 200,628,301,859.29
  5. Step 5: Solve for x
    x = 200,628,301,859.29/697,220.95
  6. Step 6: Final answer
    x = 287,754.26

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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.