Home / 1,068,803.40-1,603,205.10-1,052,214.60

Finding the Fourth Proportional to 1,068,803.40, 1,603,205.10 and 1,052,214.60

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Solution

The fourth proportional to 1,068,803.40, 1,603,205.10 and 1,052,214.60 is: 1,578,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,803.40 : 1,603,205.10 = 1,052,214.60 : x
  2. Step 2: Convert to fraction form
    1,068,803.40/1,603,205.10 = 1,052,214.60/x
  3. Step 3: Cross multiply
    1,068,803.40x = 1,603,205.10 × 1,052,214.60
  4. Step 4: Simplify right side
    1,068,803.40x = 1,686,915,813,014.46
  5. Step 5: Solve for x
    x = 1,686,915,813,014.46/1,068,803.40
  6. Step 6: Final answer
    x = 1,578,321.90

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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.