Home / 492,849.64-680,075.40-277,993.33

Finding the Fourth Proportional to 492,849.64, 680,075.40 and 277,993.33

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Solution

The fourth proportional to 492,849.64, 680,075.40 and 277,993.33 is: 383,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,849.64 : 680,075.40 = 277,993.33 : x
  2. Step 2: Convert to fraction form
    492,849.64/680,075.40 = 277,993.33/x
  3. Step 3: Cross multiply
    492,849.64x = 680,075.40 × 277,993.33
  4. Step 4: Simplify right side
    492,849.64x = 189,056,425,097.08
  5. Step 5: Solve for x
    x = 189,056,425,097.08/492,849.64
  6. Step 6: Final answer
    x = 383,598.59

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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.