Home / 946,781.28-1,419,326.69-347,603.22

Finding the Fourth Proportional to 946,781.28, 1,419,326.69 and 347,603.22

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Solution

The fourth proportional to 946,781.28, 1,419,326.69 and 347,603.22 is: 521,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,781.28 : 1,419,326.69 = 347,603.22 : x
  2. Step 2: Convert to fraction form
    946,781.28/1,419,326.69 = 347,603.22/x
  3. Step 3: Cross multiply
    946,781.28x = 1,419,326.69 × 347,603.22
  4. Step 4: Simplify right side
    946,781.28x = 493,362,525,937.93
  5. Step 5: Solve for x
    x = 493,362,525,937.93/946,781.28
  6. Step 6: Final answer
    x = 521,094.51

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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.