Home / 518,020.24-777,113.40-218,544.93

Finding the Fourth Proportional to 518,020.24, 777,113.40 and 218,544.93

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Solution

The fourth proportional to 518,020.24, 777,113.40 and 218,544.93 is: 327,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,020.24 : 777,113.40 = 218,544.93 : x
  2. Step 2: Convert to fraction form
    518,020.24/777,113.40 = 218,544.93/x
  3. Step 3: Cross multiply
    518,020.24x = 777,113.40 × 218,544.93
  4. Step 4: Simplify right side
    518,020.24x = 169,834,193,605.06
  5. Step 5: Solve for x
    x = 169,834,193,605.06/518,020.24
  6. Step 6: Final answer
    x = 327,852.43

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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.