Home / 957,071.39-1,319,871.11-698,539.10

Finding the Fourth Proportional to 957,071.39, 1,319,871.11 and 698,539.10

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Solution

The fourth proportional to 957,071.39, 1,319,871.11 and 698,539.10 is: 963,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,071.39 : 1,319,871.11 = 698,539.10 : x
  2. Step 2: Convert to fraction form
    957,071.39/1,319,871.11 = 698,539.10/x
  3. Step 3: Cross multiply
    957,071.39x = 1,319,871.11 × 698,539.10
  4. Step 4: Simplify right side
    957,071.39x = 921,981,567,203.35
  5. Step 5: Solve for x
    x = 921,981,567,203.35/957,071.39
  6. Step 6: Final answer
    x = 963,336.26

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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.