Home / 983,629.60-1,475,643.24-415,012.11

Finding the Fourth Proportional to 983,629.60, 1,475,643.24 and 415,012.11

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Solution

The fourth proportional to 983,629.60, 1,475,643.24 and 415,012.11 is: 622,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,629.60 : 1,475,643.24 = 415,012.11 : x
  2. Step 2: Convert to fraction form
    983,629.60/1,475,643.24 = 415,012.11/x
  3. Step 3: Cross multiply
    983,629.60x = 1,475,643.24 × 415,012.11
  4. Step 4: Simplify right side
    983,629.60x = 612,409,810,273.20
  5. Step 5: Solve for x
    x = 612,409,810,273.20/983,629.60
  6. Step 6: Final answer
    x = 622,602.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.