Home / 2,605,503.40-3,907,333.50-1,239,116.20

Finding the Fourth Proportional to 2,605,503.40, 3,907,333.50 and 1,239,116.20

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Solution

The fourth proportional to 2,605,503.40, 3,907,333.50 and 1,239,116.20 is: 1,858,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,503.40 : 3,907,333.50 = 1,239,116.20 : x
  2. Step 2: Convert to fraction form
    2,605,503.40/3,907,333.50 = 1,239,116.20/x
  3. Step 3: Cross multiply
    2,605,503.40x = 3,907,333.50 × 1,239,116.20
  4. Step 4: Simplify right side
    2,605,503.40x = 4,841,640,238,652.70
  5. Step 5: Solve for x
    x = 4,841,640,238,652.70/2,605,503.40
  6. Step 6: Final answer
    x = 1,858,236.01

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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.