Home / 1,070,835.53-1,605,736.62-621,669.47

Finding the Fourth Proportional to 1,070,835.53, 1,605,736.62 and 621,669.47

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Solution

The fourth proportional to 1,070,835.53, 1,605,736.62 and 621,669.47 is: 932,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,835.53 : 1,605,736.62 = 621,669.47 : x
  2. Step 2: Convert to fraction form
    1,070,835.53/1,605,736.62 = 621,669.47/x
  3. Step 3: Cross multiply
    1,070,835.53x = 1,605,736.62 × 621,669.47
  4. Step 4: Simplify right side
    1,070,835.53x = 998,237,430,406.64
  5. Step 5: Solve for x
    x = 998,237,430,406.64/1,070,835.53
  6. Step 6: Final answer
    x = 932,204.25

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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.