Home / 363,433.41-501,452.30-305,510.36

Finding the Fourth Proportional to 363,433.41, 501,452.30 and 305,510.36

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Solution

The fourth proportional to 363,433.41, 501,452.30 and 305,510.36 is: 421,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,433.41 : 501,452.30 = 305,510.36 : x
  2. Step 2: Convert to fraction form
    363,433.41/501,452.30 = 305,510.36/x
  3. Step 3: Cross multiply
    363,433.41x = 501,452.30 × 305,510.36
  4. Step 4: Simplify right side
    363,433.41x = 153,198,868,661.02
  5. Step 5: Solve for x
    x = 153,198,868,661.02/363,433.41
  6. Step 6: Final answer
    x = 421,532.16

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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.