Home / 448,622.07-619,081.34-247,418.07

Finding the Fourth Proportional to 448,622.07, 619,081.34 and 247,418.07

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Solution

The fourth proportional to 448,622.07, 619,081.34 and 247,418.07 is: 341,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,622.07 : 619,081.34 = 247,418.07 : x
  2. Step 2: Convert to fraction form
    448,622.07/619,081.34 = 247,418.07/x
  3. Step 3: Cross multiply
    448,622.07x = 619,081.34 × 247,418.07
  4. Step 4: Simplify right side
    448,622.07x = 153,171,910,315.81
  5. Step 5: Solve for x
    x = 153,171,910,315.81/448,622.07
  6. Step 6: Final answer
    x = 341,427.50

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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.