Home / 1,205,990.46-1,664,269.74-662,161.32

Finding the Fourth Proportional to 1,205,990.46, 1,664,269.74 and 662,161.32

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Solution

The fourth proportional to 1,205,990.46, 1,664,269.74 and 662,161.32 is: 913,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,990.46 : 1,664,269.74 = 662,161.32 : x
  2. Step 2: Convert to fraction form
    1,205,990.46/1,664,269.74 = 662,161.32/x
  3. Step 3: Cross multiply
    1,205,990.46x = 1,664,269.74 × 662,161.32
  4. Step 4: Simplify right side
    1,205,990.46x = 1,102,015,047,874.46
  5. Step 5: Solve for x
    x = 1,102,015,047,874.46/1,205,990.46
  6. Step 6: Final answer
    x = 913,784.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.