Home / 1,439,643.67-2,157,804.75-540,511.94

Finding the Fourth Proportional to 1,439,643.67, 2,157,804.75 and 540,511.94

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Solution

The fourth proportional to 1,439,643.67, 2,157,804.75 and 540,511.94 is: 810,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,643.67 : 2,157,804.75 = 540,511.94 : x
  2. Step 2: Convert to fraction form
    1,439,643.67/2,157,804.75 = 540,511.94/x
  3. Step 3: Cross multiply
    1,439,643.67x = 2,157,804.75 × 540,511.94
  4. Step 4: Simplify right side
    1,439,643.67x = 1,166,319,231,563.71
  5. Step 5: Solve for x
    x = 1,166,319,231,563.71/1,439,643.67
  6. Step 6: Final answer
    x = 810,144.38

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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.