Home / 1,118,148.33-1,543,002.55-683,292.81

Finding the Fourth Proportional to 1,118,148.33, 1,543,002.55 and 683,292.81

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Solution

The fourth proportional to 1,118,148.33, 1,543,002.55 and 683,292.81 is: 942,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,148.33 : 1,543,002.55 = 683,292.81 : x
  2. Step 2: Convert to fraction form
    1,118,148.33/1,543,002.55 = 683,292.81/x
  3. Step 3: Cross multiply
    1,118,148.33x = 1,543,002.55 × 683,292.81
  4. Step 4: Simplify right side
    1,118,148.33x = 1,054,322,548,226.67
  5. Step 5: Solve for x
    x = 1,054,322,548,226.67/1,118,148.33
  6. Step 6: Final answer
    x = 942,918.32

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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.