Home / 1,173,055.32-1,618,619.22-683,128.44

Finding the Fourth Proportional to 1,173,055.32, 1,618,619.22 and 683,128.44

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Solution

The fourth proportional to 1,173,055.32, 1,618,619.22 and 683,128.44 is: 942,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,055.32 : 1,618,619.22 = 683,128.44 : x
  2. Step 2: Convert to fraction form
    1,173,055.32/1,618,619.22 = 683,128.44/x
  3. Step 3: Cross multiply
    1,173,055.32x = 1,618,619.22 × 683,128.44
  4. Step 4: Simplify right side
    1,173,055.32x = 1,105,724,822,712.62
  5. Step 5: Solve for x
    x = 1,105,724,822,712.62/1,173,055.32
  6. Step 6: Final answer
    x = 942,602.45

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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.