Home / 790,187.21-1,090,458.32-427,611.06

Finding the Fourth Proportional to 790,187.21, 1,090,458.32 and 427,611.06

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Solution

The fourth proportional to 790,187.21, 1,090,458.32 and 427,611.06 is: 590,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,187.21 : 1,090,458.32 = 427,611.06 : x
  2. Step 2: Convert to fraction form
    790,187.21/1,090,458.32 = 427,611.06/x
  3. Step 3: Cross multiply
    790,187.21x = 1,090,458.32 × 427,611.06
  4. Step 4: Simplify right side
    790,187.21x = 466,292,035,962.96
  5. Step 5: Solve for x
    x = 466,292,035,962.96/790,187.21
  6. Step 6: Final answer
    x = 590,103.25

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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.