Home / 1,138,160.02-1,570,657.62-628,858.75

Finding the Fourth Proportional to 1,138,160.02, 1,570,657.62 and 628,858.75

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Solution

The fourth proportional to 1,138,160.02, 1,570,657.62 and 628,858.75 is: 867,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,160.02 : 1,570,657.62 = 628,858.75 : x
  2. Step 2: Convert to fraction form
    1,138,160.02/1,570,657.62 = 628,858.75/x
  3. Step 3: Cross multiply
    1,138,160.02x = 1,570,657.62 × 628,858.75
  4. Step 4: Simplify right side
    1,138,160.02x = 987,721,787,591.18
  5. Step 5: Solve for x
    x = 987,721,787,591.18/1,138,160.02
  6. Step 6: Final answer
    x = 867,823.30

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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.