Home / 448,640.36-619,106.46-247,436.36

Finding the Fourth Proportional to 448,640.36, 619,106.46 and 247,436.36

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Solution

The fourth proportional to 448,640.36, 619,106.46 and 247,436.36 is: 341,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,640.36 : 619,106.46 = 247,436.36 : x
  2. Step 2: Convert to fraction form
    448,640.36/619,106.46 = 247,436.36/x
  3. Step 3: Cross multiply
    448,640.36x = 619,106.46 × 247,436.36
  4. Step 4: Simplify right side
    448,640.36x = 153,189,448,914.89
  5. Step 5: Solve for x
    x = 153,189,448,914.89/448,640.36
  6. Step 6: Final answer
    x = 341,452.67

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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.