Home / 990,433.44-1,363,737.69-773,518.32

Finding the Fourth Proportional to 990,433.44, 1,363,737.69 and 773,518.32

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Solution

The fourth proportional to 990,433.44, 1,363,737.69 and 773,518.32 is: 1,065,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,433.44 : 1,363,737.69 = 773,518.32 : x
  2. Step 2: Convert to fraction form
    990,433.44/1,363,737.69 = 773,518.32/x
  3. Step 3: Cross multiply
    990,433.44x = 1,363,737.69 × 773,518.32
  4. Step 4: Simplify right side
    990,433.44x = 1,054,876,086,889.48
  5. Step 5: Solve for x
    x = 1,054,876,086,889.48/990,433.44
  6. Step 6: Final answer
    x = 1,065,065.10

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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.