Home / 1,085,023.20-1,622,926.80-973,509.60

Finding the Fourth Proportional to 1,085,023.20, 1,622,926.80 and 973,509.60

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Solution

The fourth proportional to 1,085,023.20, 1,622,926.80 and 973,509.60 is: 1,456,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,023.20 : 1,622,926.80 = 973,509.60 : x
  2. Step 2: Convert to fraction form
    1,085,023.20/1,622,926.80 = 973,509.60/x
  3. Step 3: Cross multiply
    1,085,023.20x = 1,622,926.80 × 973,509.60
  4. Step 4: Simplify right side
    1,085,023.20x = 1,579,934,819,897.28
  5. Step 5: Solve for x
    x = 1,579,934,819,897.28/1,085,023.20
  6. Step 6: Final answer
    x = 1,456,129.99

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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.