Home / 1,056,101.40-1,584,152.10-391,512.60

Finding the Fourth Proportional to 1,056,101.40, 1,584,152.10 and 391,512.60

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Solution

The fourth proportional to 1,056,101.40, 1,584,152.10 and 391,512.60 is: 587,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,101.40 : 1,584,152.10 = 391,512.60 : x
  2. Step 2: Convert to fraction form
    1,056,101.40/1,584,152.10 = 391,512.60/x
  3. Step 3: Cross multiply
    1,056,101.40x = 1,584,152.10 × 391,512.60
  4. Step 4: Simplify right side
    1,056,101.40x = 620,215,507,466.46
  5. Step 5: Solve for x
    x = 620,215,507,466.46/1,056,101.40
  6. Step 6: Final answer
    x = 587,268.90

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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.