Home / 879,577.65-1,213,947.41-557,317.73

Finding the Fourth Proportional to 879,577.65, 1,213,947.41 and 557,317.73

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Solution

The fourth proportional to 879,577.65, 1,213,947.41 and 557,317.73 is: 769,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,577.65 : 1,213,947.41 = 557,317.73 : x
  2. Step 2: Convert to fraction form
    879,577.65/1,213,947.41 = 557,317.73/x
  3. Step 3: Cross multiply
    879,577.65x = 1,213,947.41 × 557,317.73
  4. Step 4: Simplify right side
    879,577.65x = 676,554,415,128.86
  5. Step 5: Solve for x
    x = 676,554,415,128.86/879,577.65
  6. Step 6: Final answer
    x = 769,181.00

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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.