Home / 705,111.35-973,076.95-399,181.49

Finding the Fourth Proportional to 705,111.35, 973,076.95 and 399,181.49

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Solution

The fourth proportional to 705,111.35, 973,076.95 and 399,181.49 is: 550,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,111.35 : 973,076.95 = 399,181.49 : x
  2. Step 2: Convert to fraction form
    705,111.35/973,076.95 = 399,181.49/x
  3. Step 3: Cross multiply
    705,111.35x = 973,076.95 × 399,181.49
  4. Step 4: Simplify right side
    705,111.35x = 388,434,306,559.67
  5. Step 5: Solve for x
    x = 388,434,306,559.67/705,111.35
  6. Step 6: Final answer
    x = 550,883.64

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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.