Home / 668,918.02-923,102.13-362,986.60

Finding the Fourth Proportional to 668,918.02, 923,102.13 and 362,986.60

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Solution

The fourth proportional to 668,918.02, 923,102.13 and 362,986.60 is: 500,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,918.02 : 923,102.13 = 362,986.60 : x
  2. Step 2: Convert to fraction form
    668,918.02/923,102.13 = 362,986.60/x
  3. Step 3: Cross multiply
    668,918.02x = 923,102.13 × 362,986.60
  4. Step 4: Simplify right side
    668,918.02x = 335,073,703,621.46
  5. Step 5: Solve for x
    x = 335,073,703,621.46/668,918.02
  6. Step 6: Final answer
    x = 500,918.94

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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.