Home / 653,148.06-901,336.41-366,660.78

Finding the Fourth Proportional to 653,148.06, 901,336.41 and 366,660.78

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Solution

The fourth proportional to 653,148.06, 901,336.41 and 366,660.78 is: 505,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,148.06 : 901,336.41 = 366,660.78 : x
  2. Step 2: Convert to fraction form
    653,148.06/901,336.41 = 366,660.78/x
  3. Step 3: Cross multiply
    653,148.06x = 901,336.41 × 366,660.78
  4. Step 4: Simplify right side
    653,148.06x = 330,484,711,133.00
  5. Step 5: Solve for x
    x = 330,484,711,133.00/653,148.06
  6. Step 6: Final answer
    x = 505,987.43

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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.