Home / 448,970.28-619,582.56-245,022.84

Finding the Fourth Proportional to 448,970.28, 619,582.56 and 245,022.84

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Solution

The fourth proportional to 448,970.28, 619,582.56 and 245,022.84 is: 338,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,970.28 : 619,582.56 = 245,022.84 : x
  2. Step 2: Convert to fraction form
    448,970.28/619,582.56 = 245,022.84/x
  3. Step 3: Cross multiply
    448,970.28x = 619,582.56 × 245,022.84
  4. Step 4: Simplify right side
    448,970.28x = 151,811,878,465.67
  5. Step 5: Solve for x
    x = 151,811,878,465.67/448,970.28
  6. Step 6: Final answer
    x = 338,133.47

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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.