Home / 946,438.95-1,419,884.43-315,358.23

Finding the Fourth Proportional to 946,438.95, 1,419,884.43 and 315,358.23

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Solution

The fourth proportional to 946,438.95, 1,419,884.43 and 315,358.23 is: 473,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,438.95 : 1,419,884.43 = 315,358.23 : x
  2. Step 2: Convert to fraction form
    946,438.95/1,419,884.43 = 315,358.23/x
  3. Step 3: Cross multiply
    946,438.95x = 1,419,884.43 × 315,358.23
  4. Step 4: Simplify right side
    946,438.95x = 447,772,240,649.36
  5. Step 5: Solve for x
    x = 447,772,240,649.36/946,438.95
  6. Step 6: Final answer
    x = 473,112.65

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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.