Home / 398,985.12-597,973.04-174,286.24

Finding the Fourth Proportional to 398,985.12, 597,973.04 and 174,286.24

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Solution

The fourth proportional to 398,985.12, 597,973.04 and 174,286.24 is: 261,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,985.12 : 597,973.04 = 174,286.24 : x
  2. Step 2: Convert to fraction form
    398,985.12/597,973.04 = 174,286.24/x
  3. Step 3: Cross multiply
    398,985.12x = 597,973.04 × 174,286.24
  4. Step 4: Simplify right side
    398,985.12x = 104,218,472,762.97
  5. Step 5: Solve for x
    x = 104,218,472,762.97/398,985.12
  6. Step 6: Final answer
    x = 261,208.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.