Home / 1,519,681.10-2,097,176.45-831,338.15

Finding the Fourth Proportional to 1,519,681.10, 2,097,176.45 and 831,338.15

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Solution

The fourth proportional to 1,519,681.10, 2,097,176.45 and 831,338.15 is: 1,147,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,681.10 : 2,097,176.45 = 831,338.15 : x
  2. Step 2: Convert to fraction form
    1,519,681.10/2,097,176.45 = 831,338.15/x
  3. Step 3: Cross multiply
    1,519,681.10x = 2,097,176.45 × 831,338.15
  4. Step 4: Simplify right side
    1,519,681.10x = 1,743,462,775,523.99
  5. Step 5: Solve for x
    x = 1,743,462,775,523.99/1,519,681.10
  6. Step 6: Final answer
    x = 1,147,255.68

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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.