Home / 1,305,256.32-1,957,650.93-830,531.52

Finding the Fourth Proportional to 1,305,256.32, 1,957,650.93 and 830,531.52

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Solution

The fourth proportional to 1,305,256.32, 1,957,650.93 and 830,531.52 is: 1,245,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,256.32 : 1,957,650.93 = 830,531.52 : x
  2. Step 2: Convert to fraction form
    1,305,256.32/1,957,650.93 = 830,531.52/x
  3. Step 3: Cross multiply
    1,305,256.32x = 1,957,650.93 × 830,531.52
  4. Step 4: Simplify right side
    1,305,256.32x = 1,625,890,802,522.31
  5. Step 5: Solve for x
    x = 1,625,890,802,522.31/1,305,256.32
  6. Step 6: Final answer
    x = 1,245,648.67

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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.