Home / 1,290,353.80-1,935,530.70-933,694.60

Finding the Fourth Proportional to 1,290,353.80, 1,935,530.70 and 933,694.60

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Solution

The fourth proportional to 1,290,353.80, 1,935,530.70 and 933,694.60 is: 1,400,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,353.80 : 1,935,530.70 = 933,694.60 : x
  2. Step 2: Convert to fraction form
    1,290,353.80/1,935,530.70 = 933,694.60/x
  3. Step 3: Cross multiply
    1,290,353.80x = 1,935,530.70 × 933,694.60
  4. Step 4: Simplify right side
    1,290,353.80x = 1,807,194,562,724.22
  5. Step 5: Solve for x
    x = 1,807,194,562,724.22/1,290,353.80
  6. Step 6: Final answer
    x = 1,400,541.90

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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.