Home / 740,903.90-1,022,447.19-401,372.06

Finding the Fourth Proportional to 740,903.90, 1,022,447.19 and 401,372.06

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Solution

The fourth proportional to 740,903.90, 1,022,447.19 and 401,372.06 is: 553,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,903.90 : 1,022,447.19 = 401,372.06 : x
  2. Step 2: Convert to fraction form
    740,903.90/1,022,447.19 = 401,372.06/x
  3. Step 3: Cross multiply
    740,903.90x = 1,022,447.19 × 401,372.06
  4. Step 4: Simplify right side
    740,903.90x = 410,381,734,891.51
  5. Step 5: Solve for x
    x = 410,381,734,891.51/740,903.90
  6. Step 6: Final answer
    x = 553,893.34

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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.