Home / 445,483.20-611,358.24-442,333.92

Finding the Fourth Proportional to 445,483.20, 611,358.24 and 442,333.92

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Solution

The fourth proportional to 445,483.20, 611,358.24 and 442,333.92 is: 607,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,483.20 : 611,358.24 = 442,333.92 : x
  2. Step 2: Convert to fraction form
    445,483.20/611,358.24 = 442,333.92/x
  3. Step 3: Cross multiply
    445,483.20x = 611,358.24 × 442,333.92
  4. Step 4: Simplify right side
    445,483.20x = 270,424,486,823.50
  5. Step 5: Solve for x
    x = 270,424,486,823.50/445,483.20
  6. Step 6: Final answer
    x = 607,036.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.