Home / 788,608.20-1,182,912.30-697,369.80

Finding the Fourth Proportional to 788,608.20, 1,182,912.30 and 697,369.80

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Solution

The fourth proportional to 788,608.20, 1,182,912.30 and 697,369.80 is: 1,046,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,608.20 : 1,182,912.30 = 697,369.80 : x
  2. Step 2: Convert to fraction form
    788,608.20/1,182,912.30 = 697,369.80/x
  3. Step 3: Cross multiply
    788,608.20x = 1,182,912.30 × 697,369.80
  4. Step 4: Simplify right side
    788,608.20x = 824,927,314,068.54
  5. Step 5: Solve for x
    x = 824,927,314,068.54/788,608.20
  6. Step 6: Final answer
    x = 1,046,054.70

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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.