Home / 692,636.33-1,039,058.40-243,278

Finding the Fourth Proportional to 692,636.33, 1,039,058.40 and 243,278

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Solution

The fourth proportional to 692,636.33, 1,039,058.40 and 243,278 is: 364,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,636.33 : 1,039,058.40 = 243,278 : x
  2. Step 2: Convert to fraction form
    692,636.33/1,039,058.40 = 243,278/x
  3. Step 3: Cross multiply
    692,636.33x = 1,039,058.40 × 243,278
  4. Step 4: Simplify right side
    692,636.33x = 252,780,049,435.20
  5. Step 5: Solve for x
    x = 252,780,049,435.20/692,636.33
  6. Step 6: Final answer
    x = 364,953.50

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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.