Home / 731,050.58-1,008,782.09-404,356.55

Finding the Fourth Proportional to 731,050.58, 1,008,782.09 and 404,356.55

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Solution

The fourth proportional to 731,050.58, 1,008,782.09 and 404,356.55 is: 557,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,050.58 : 1,008,782.09 = 404,356.55 : x
  2. Step 2: Convert to fraction form
    731,050.58/1,008,782.09 = 404,356.55/x
  3. Step 3: Cross multiply
    731,050.58x = 1,008,782.09 × 404,356.55
  4. Step 4: Simplify right side
    731,050.58x = 407,907,643,592.41
  5. Step 5: Solve for x
    x = 407,907,643,592.41/731,050.58
  6. Step 6: Final answer
    x = 557,974.59

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1.5x scale

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.