Home / 1,366,923.08-1,886,411.11-786,146.60

Finding the Fourth Proportional to 1,366,923.08, 1,886,411.11 and 786,146.60

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Solution

The fourth proportional to 1,366,923.08, 1,886,411.11 and 786,146.60 is: 1,084,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,923.08 : 1,886,411.11 = 786,146.60 : x
  2. Step 2: Convert to fraction form
    1,366,923.08/1,886,411.11 = 786,146.60/x
  3. Step 3: Cross multiply
    1,366,923.08x = 1,886,411.11 × 786,146.60
  4. Step 4: Simplify right side
    1,366,923.08x = 1,482,995,680,328.73
  5. Step 5: Solve for x
    x = 1,482,995,680,328.73/1,366,923.08
  6. Step 6: Final answer
    x = 1,084,915.24

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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.