Home / 742,858.83-1,025,170.02-416,185.97

Finding the Fourth Proportional to 742,858.83, 1,025,170.02 and 416,185.97

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Solution

The fourth proportional to 742,858.83, 1,025,170.02 and 416,185.97 is: 574,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,858.83 : 1,025,170.02 = 416,185.97 : x
  2. Step 2: Convert to fraction form
    742,858.83/1,025,170.02 = 416,185.97/x
  3. Step 3: Cross multiply
    742,858.83x = 1,025,170.02 × 416,185.97
  4. Step 4: Simplify right side
    742,858.83x = 426,661,374,062.77
  5. Step 5: Solve for x
    x = 426,661,374,062.77/742,858.83
  6. Step 6: Final answer
    x = 574,350.55

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Double scale
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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.