Home / 1,052,632.36-1,452,647.60-644,585.32

Finding the Fourth Proportional to 1,052,632.36, 1,452,647.60 and 644,585.32

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Solution

The fourth proportional to 1,052,632.36, 1,452,647.60 and 644,585.32 is: 889,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,632.36 : 1,452,647.60 = 644,585.32 : x
  2. Step 2: Convert to fraction form
    1,052,632.36/1,452,647.60 = 644,585.32/x
  3. Step 3: Cross multiply
    1,052,632.36x = 1,452,647.60 × 644,585.32
  4. Step 4: Simplify right side
    1,052,632.36x = 936,355,318,093.23
  5. Step 5: Solve for x
    x = 936,355,318,093.23/1,052,632.36
  6. Step 6: Final answer
    x = 889,536.89

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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.