Home / 1,076,200.63-1,485,100.78-668,293.74

Finding the Fourth Proportional to 1,076,200.63, 1,485,100.78 and 668,293.74

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Solution

The fourth proportional to 1,076,200.63, 1,485,100.78 and 668,293.74 is: 922,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,200.63 : 1,485,100.78 = 668,293.74 : x
  2. Step 2: Convert to fraction form
    1,076,200.63/1,485,100.78 = 668,293.74/x
  3. Step 3: Cross multiply
    1,076,200.63x = 1,485,100.78 × 668,293.74
  4. Step 4: Simplify right side
    1,076,200.63x = 992,483,552,872.38
  5. Step 5: Solve for x
    x = 992,483,552,872.38/1,076,200.63
  6. Step 6: Final answer
    x = 922,210.53

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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.