Home / 1,054,980.98-1,455,843.44-619,391.06

Finding the Fourth Proportional to 1,054,980.98, 1,455,843.44 and 619,391.06

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Solution

The fourth proportional to 1,054,980.98, 1,455,843.44 and 619,391.06 is: 854,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,980.98 : 1,455,843.44 = 619,391.06 : x
  2. Step 2: Convert to fraction form
    1,054,980.98/1,455,843.44 = 619,391.06/x
  3. Step 3: Cross multiply
    1,054,980.98x = 1,455,843.44 × 619,391.06
  4. Step 4: Simplify right side
    1,054,980.98x = 901,736,411,495.65
  5. Step 5: Solve for x
    x = 901,736,411,495.65/1,054,980.98
  6. Step 6: Final answer
    x = 854,741.87

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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.