Home / 294,868.16-406,648.20-218,577.32

Finding the Fourth Proportional to 294,868.16, 406,648.20 and 218,577.32

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Solution

The fourth proportional to 294,868.16, 406,648.20 and 218,577.32 is: 301,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,868.16 : 406,648.20 = 218,577.32 : x
  2. Step 2: Convert to fraction form
    294,868.16/406,648.20 = 218,577.32/x
  3. Step 3: Cross multiply
    294,868.16x = 406,648.20 × 218,577.32
  4. Step 4: Simplify right side
    294,868.16x = 88,884,073,738.82
  5. Step 5: Solve for x
    x = 88,884,073,738.82/294,868.16
  6. Step 6: Final answer
    x = 301,436.66

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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.