Home / 522,030.30-783,045.45-445,922.70

Finding the Fourth Proportional to 522,030.30, 783,045.45 and 445,922.70

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Solution

The fourth proportional to 522,030.30, 783,045.45 and 445,922.70 is: 668,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,030.30 : 783,045.45 = 445,922.70 : x
  2. Step 2: Convert to fraction form
    522,030.30/783,045.45 = 445,922.70/x
  3. Step 3: Cross multiply
    522,030.30x = 783,045.45 × 445,922.70
  4. Step 4: Simplify right side
    522,030.30x = 349,177,741,286.72
  5. Step 5: Solve for x
    x = 349,177,741,286.72/522,030.30
  6. Step 6: Final answer
    x = 668,884.05

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1.5x scale

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.