Home / 448,628.32-619,089.88-247,424.32

Finding the Fourth Proportional to 448,628.32, 619,089.88 and 247,424.32

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Solution

The fourth proportional to 448,628.32, 619,089.88 and 247,424.32 is: 341,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,628.32 : 619,089.88 = 247,424.32 : x
  2. Step 2: Convert to fraction form
    448,628.32/619,089.88 = 247,424.32/x
  3. Step 3: Cross multiply
    448,628.32x = 619,089.88 × 247,424.32
  4. Step 4: Simplify right side
    448,628.32x = 153,177,892,577.88
  5. Step 5: Solve for x
    x = 153,177,892,577.88/448,628.32
  6. Step 6: Final answer
    x = 341,436.07

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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.