Home / 1,395,999.40-2,094,387.90-686,050.60

Finding the Fourth Proportional to 1,395,999.40, 2,094,387.90 and 686,050.60

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Solution

The fourth proportional to 1,395,999.40, 2,094,387.90 and 686,050.60 is: 1,029,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,999.40 : 2,094,387.90 = 686,050.60 : x
  2. Step 2: Convert to fraction form
    1,395,999.40/2,094,387.90 = 686,050.60/x
  3. Step 3: Cross multiply
    1,395,999.40x = 2,094,387.90 × 686,050.60
  4. Step 4: Simplify right side
    1,395,999.40x = 1,436,856,075,427.74
  5. Step 5: Solve for x
    x = 1,436,856,075,427.74/1,395,999.40
  6. Step 6: Final answer
    x = 1,029,266.97

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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.