Home / 329,328.66-454,222.79-283,466.36

Finding the Fourth Proportional to 329,328.66, 454,222.79 and 283,466.36

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Solution

The fourth proportional to 329,328.66, 454,222.79 and 283,466.36 is: 390,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,328.66 : 454,222.79 = 283,466.36 : x
  2. Step 2: Convert to fraction form
    329,328.66/454,222.79 = 283,466.36/x
  3. Step 3: Cross multiply
    329,328.66x = 454,222.79 × 283,466.36
  4. Step 4: Simplify right side
    329,328.66x = 128,756,882,754.57
  5. Step 5: Solve for x
    x = 128,756,882,754.57/329,328.66
  6. Step 6: Final answer
    x = 390,967.74

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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.