Home / 1,366,922.08-1,886,409.73-786,145.60

Finding the Fourth Proportional to 1,366,922.08, 1,886,409.73 and 786,145.60

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Solution

The fourth proportional to 1,366,922.08, 1,886,409.73 and 786,145.60 is: 1,084,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,922.08 : 1,886,409.73 = 786,145.60 : x
  2. Step 2: Convert to fraction form
    1,366,922.08/1,886,409.73 = 786,145.60/x
  3. Step 3: Cross multiply
    1,366,922.08x = 1,886,409.73 × 786,145.60
  4. Step 4: Simplify right side
    1,366,922.08x = 1,482,992,709,036.69
  5. Step 5: Solve for x
    x = 1,482,992,709,036.69/1,366,922.08
  6. Step 6: Final answer
    x = 1,084,913.86

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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.