Home / 1,366,920.57-1,886,407.66-786,144.10

Finding the Fourth Proportional to 1,366,920.57, 1,886,407.66 and 786,144.10

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Solution

The fourth proportional to 1,366,920.57, 1,886,407.66 and 786,144.10 is: 1,084,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,920.57 : 1,886,407.66 = 786,144.10 : x
  2. Step 2: Convert to fraction form
    1,366,920.57/1,886,407.66 = 786,144.10/x
  3. Step 3: Cross multiply
    1,366,920.57x = 1,886,407.66 × 786,144.10
  4. Step 4: Simplify right side
    1,366,920.57x = 1,482,988,252,103.81
  5. Step 5: Solve for x
    x = 1,482,988,252,103.81/1,366,920.57
  6. Step 6: Final answer
    x = 1,084,911.80

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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.