Home / 1,300,511.53-1,794,665.37-719,699.71

Finding the Fourth Proportional to 1,300,511.53, 1,794,665.37 and 719,699.71

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Solution

The fourth proportional to 1,300,511.53, 1,794,665.37 and 719,699.71 is: 993,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,511.53 : 1,794,665.37 = 719,699.71 : x
  2. Step 2: Convert to fraction form
    1,300,511.53/1,794,665.37 = 719,699.71/x
  3. Step 3: Cross multiply
    1,300,511.53x = 1,794,665.37 × 719,699.71
  4. Step 4: Simplify right side
    1,300,511.53x = 1,291,620,146,336.04
  5. Step 5: Solve for x
    x = 1,291,620,146,336.04/1,300,511.53
  6. Step 6: Final answer
    x = 993,163.16

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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.