Home / 919,957.52-1,269,541.41-512,050.60

Finding the Fourth Proportional to 919,957.52, 1,269,541.41 and 512,050.60

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Solution

The fourth proportional to 919,957.52, 1,269,541.41 and 512,050.60 is: 706,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,957.52 : 1,269,541.41 = 512,050.60 : x
  2. Step 2: Convert to fraction form
    919,957.52/1,269,541.41 = 512,050.60/x
  3. Step 3: Cross multiply
    919,957.52x = 1,269,541.41 × 512,050.60
  4. Step 4: Simplify right side
    919,957.52x = 650,069,437,541.49
  5. Step 5: Solve for x
    x = 650,069,437,541.49/919,957.52
  6. Step 6: Final answer
    x = 706,629.85

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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.