Home / 1,363,670.32-1,881,084.72-853,486.96

Finding the Fourth Proportional to 1,363,670.32, 1,881,084.72 and 853,486.96

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Solution

The fourth proportional to 1,363,670.32, 1,881,084.72 and 853,486.96 is: 1,177,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,670.32 : 1,881,084.72 = 853,486.96 : x
  2. Step 2: Convert to fraction form
    1,363,670.32/1,881,084.72 = 853,486.96/x
  3. Step 3: Cross multiply
    1,363,670.32x = 1,881,084.72 × 853,486.96
  4. Step 4: Simplify right side
    1,363,670.32x = 1,605,481,279,175.25
  5. Step 5: Solve for x
    x = 1,605,481,279,175.25/1,363,670.32
  6. Step 6: Final answer
    x = 1,177,323.62

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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.