Home / 448,867.76-619,439.64-247,663.76

Finding the Fourth Proportional to 448,867.76, 619,439.64 and 247,663.76

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Solution

The fourth proportional to 448,867.76, 619,439.64 and 247,663.76 is: 341,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,867.76 : 619,439.64 = 247,663.76 : x
  2. Step 2: Convert to fraction form
    448,867.76/619,439.64 = 247,663.76/x
  3. Step 3: Cross multiply
    448,867.76x = 619,439.64 × 247,663.76
  4. Step 4: Simplify right side
    448,867.76x = 153,412,750,335.45
  5. Step 5: Solve for x
    x = 153,412,750,335.45/448,867.76
  6. Step 6: Final answer
    x = 341,777.16

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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.