Home / 397,853.37-549,037.04-216,564.74

Finding the Fourth Proportional to 397,853.37, 549,037.04 and 216,564.74

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Solution

The fourth proportional to 397,853.37, 549,037.04 and 216,564.74 is: 298,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,853.37 : 549,037.04 = 216,564.74 : x
  2. Step 2: Convert to fraction form
    397,853.37/549,037.04 = 216,564.74/x
  3. Step 3: Cross multiply
    397,853.37x = 549,037.04 × 216,564.74
  4. Step 4: Simplify right side
    397,853.37x = 118,902,062,048.85
  5. Step 5: Solve for x
    x = 118,902,062,048.85/397,853.37
  6. Step 6: Final answer
    x = 298,859.00

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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.