Home / 446,995.28-670,533.45-147,476.72

Finding the Fourth Proportional to 446,995.28, 670,533.45 and 147,476.72

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Solution

The fourth proportional to 446,995.28, 670,533.45 and 147,476.72 is: 221,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,995.28 : 670,533.45 = 147,476.72 : x
  2. Step 2: Convert to fraction form
    446,995.28/670,533.45 = 147,476.72/x
  3. Step 3: Cross multiply
    446,995.28x = 670,533.45 × 147,476.72
  4. Step 4: Simplify right side
    446,995.28x = 98,888,073,856.28
  5. Step 5: Solve for x
    x = 98,888,073,856.28/446,995.28
  6. Step 6: Final answer
    x = 221,228.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.