Home / 1,433,378.32-2,150,071.80-353,890.96

Finding the Fourth Proportional to 1,433,378.32, 2,150,071.80 and 353,890.96

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Solution

The fourth proportional to 1,433,378.32, 2,150,071.80 and 353,890.96 is: 530,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,378.32 : 2,150,071.80 = 353,890.96 : x
  2. Step 2: Convert to fraction form
    1,433,378.32/2,150,071.80 = 353,890.96/x
  3. Step 3: Cross multiply
    1,433,378.32x = 2,150,071.80 × 353,890.96
  4. Step 4: Simplify right side
    1,433,378.32x = 760,890,973,370.93
  5. Step 5: Solve for x
    x = 760,890,973,370.93/1,433,378.32
  6. Step 6: Final answer
    x = 530,837.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.