Home / 946,386.40-1,419,968.40-347,634.40

Finding the Fourth Proportional to 946,386.40, 1,419,968.40 and 347,634.40

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Solution

The fourth proportional to 946,386.40, 1,419,968.40 and 347,634.40 is: 521,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,386.40 : 1,419,968.40 = 347,634.40 : x
  2. Step 2: Convert to fraction form
    946,386.40/1,419,968.40 = 347,634.40/x
  3. Step 3: Cross multiply
    946,386.40x = 1,419,968.40 × 347,634.40
  4. Step 4: Simplify right side
    946,386.40x = 493,629,862,752.96
  5. Step 5: Solve for x
    x = 493,629,862,752.96/946,386.40
  6. Step 6: Final answer
    x = 521,594.42

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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.