Home / 1,054,727.87-1,455,511.74-641,127.65

Finding the Fourth Proportional to 1,054,727.87, 1,455,511.74 and 641,127.65

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Solution

The fourth proportional to 1,054,727.87, 1,455,511.74 and 641,127.65 is: 884,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,727.87 : 1,455,511.74 = 641,127.65 : x
  2. Step 2: Convert to fraction form
    1,054,727.87/1,455,511.74 = 641,127.65/x
  3. Step 3: Cross multiply
    1,054,727.87x = 1,455,511.74 × 641,127.65
  4. Step 4: Simplify right side
    1,054,727.87x = 933,168,814,136.05
  5. Step 5: Solve for x
    x = 933,168,814,136.05/1,054,727.87
  6. Step 6: Final answer
    x = 884,748.42

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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.