Home / 1,076,969.28-1,485,908.40-695,213.28

Finding the Fourth Proportional to 1,076,969.28, 1,485,908.40 and 695,213.28

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Solution

The fourth proportional to 1,076,969.28, 1,485,908.40 and 695,213.28 is: 959,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,969.28 : 1,485,908.40 = 695,213.28 : x
  2. Step 2: Convert to fraction form
    1,076,969.28/1,485,908.40 = 695,213.28/x
  3. Step 3: Cross multiply
    1,076,969.28x = 1,485,908.40 × 695,213.28
  4. Step 4: Simplify right side
    1,076,969.28x = 1,033,023,252,543.55
  5. Step 5: Solve for x
    x = 1,033,023,252,543.55/1,076,969.28
  6. Step 6: Final answer
    x = 959,194.73

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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.