Home / 1,014,140.80-1,399,458.81-555,166.60

Finding the Fourth Proportional to 1,014,140.80, 1,399,458.81 and 555,166.60

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Solution

The fourth proportional to 1,014,140.80, 1,399,458.81 and 555,166.60 is: 766,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,140.80 : 1,399,458.81 = 555,166.60 : x
  2. Step 2: Convert to fraction form
    1,014,140.80/1,399,458.81 = 555,166.60/x
  3. Step 3: Cross multiply
    1,014,140.80x = 1,399,458.81 × 555,166.60
  4. Step 4: Simplify right side
    1,014,140.80x = 776,932,789,387.75
  5. Step 5: Solve for x
    x = 776,932,789,387.75/1,014,140.80
  6. Step 6: Final answer
    x = 766,099.53

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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.