Home / 1,519,795.92-2,097,368.08-831,451.80

Finding the Fourth Proportional to 1,519,795.92, 2,097,368.08 and 831,451.80

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Solution

The fourth proportional to 1,519,795.92, 2,097,368.08 and 831,451.80 is: 1,147,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,795.92 : 2,097,368.08 = 831,451.80 : x
  2. Step 2: Convert to fraction form
    1,519,795.92/2,097,368.08 = 831,451.80/x
  3. Step 3: Cross multiply
    1,519,795.92x = 2,097,368.08 × 831,451.80
  4. Step 4: Simplify right side
    1,519,795.92x = 1,743,860,465,378.54
  5. Step 5: Solve for x
    x = 1,743,860,465,378.54/1,519,795.92
  6. Step 6: Final answer
    x = 1,147,430.68

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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.