Home / 328,653.40-453,818.24-208,007.56

Finding the Fourth Proportional to 328,653.40, 453,818.24 and 208,007.56

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Solution

The fourth proportional to 328,653.40, 453,818.24 and 208,007.56 is: 287,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,653.40 : 453,818.24 = 208,007.56 : x
  2. Step 2: Convert to fraction form
    328,653.40/453,818.24 = 208,007.56/x
  3. Step 3: Cross multiply
    328,653.40x = 453,818.24 × 208,007.56
  4. Step 4: Simplify right side
    328,653.40x = 94,397,624,785.89
  5. Step 5: Solve for x
    x = 94,397,624,785.89/328,653.40
  6. Step 6: Final answer
    x = 287,225.46

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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.