Home / 966,648.44-1,334,346.84-644,240.88

Finding the Fourth Proportional to 966,648.44, 1,334,346.84 and 644,240.88

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Solution

The fourth proportional to 966,648.44, 1,334,346.84 and 644,240.88 is: 889,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,648.44 : 1,334,346.84 = 644,240.88 : x
  2. Step 2: Convert to fraction form
    966,648.44/1,334,346.84 = 644,240.88/x
  3. Step 3: Cross multiply
    966,648.44x = 1,334,346.84 × 644,240.88
  4. Step 4: Simplify right side
    966,648.44x = 859,640,782,426.82
  5. Step 5: Solve for x
    x = 859,640,782,426.82/966,648.44
  6. Step 6: Final answer
    x = 889,300.34

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1.5x scale

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.