Home / 1,076,485.88-1,485,759.12-617,871.98

Finding the Fourth Proportional to 1,076,485.88, 1,485,759.12 and 617,871.98

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Solution

The fourth proportional to 1,076,485.88, 1,485,759.12 and 617,871.98 is: 852,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,485.88 : 1,485,759.12 = 617,871.98 : x
  2. Step 2: Convert to fraction form
    1,076,485.88/1,485,759.12 = 617,871.98/x
  3. Step 3: Cross multiply
    1,076,485.88x = 1,485,759.12 × 617,871.98
  4. Step 4: Simplify right side
    1,076,485.88x = 918,008,929,277.46
  5. Step 5: Solve for x
    x = 918,008,929,277.46/1,076,485.88
  6. Step 6: Final answer
    x = 852,783.07

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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.