Home / 741,390.89-1,111,868.33-314,923.32

Finding the Fourth Proportional to 741,390.89, 1,111,868.33 and 314,923.32

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Solution

The fourth proportional to 741,390.89, 1,111,868.33 and 314,923.32 is: 472,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,390.89 : 1,111,868.33 = 314,923.32 : x
  2. Step 2: Convert to fraction form
    741,390.89/1,111,868.33 = 314,923.32/x
  3. Step 3: Cross multiply
    741,390.89x = 1,111,868.33 × 314,923.32
  4. Step 4: Simplify right side
    741,390.89x = 350,153,264,311.84
  5. Step 5: Solve for x
    x = 350,153,264,311.84/741,390.89
  6. Step 6: Final answer
    x = 472,292.38

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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.