Home / 1,677,730.52-2,315,496.66-989,596.76

Finding the Fourth Proportional to 1,677,730.52, 2,315,496.66 and 989,596.76

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Solution

The fourth proportional to 1,677,730.52, 2,315,496.66 and 989,596.76 is: 1,365,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,730.52 : 2,315,496.66 = 989,596.76 : x
  2. Step 2: Convert to fraction form
    1,677,730.52/2,315,496.66 = 989,596.76/x
  3. Step 3: Cross multiply
    1,677,730.52x = 2,315,496.66 × 989,596.76
  4. Step 4: Simplify right side
    1,677,730.52x = 2,291,407,992,526.82
  5. Step 5: Solve for x
    x = 2,291,407,992,526.82/1,677,730.52
  6. Step 6: Final answer
    x = 1,365,778.33

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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.