Home / 873,931.58-1,206,048.39-491,972.30

Finding the Fourth Proportional to 873,931.58, 1,206,048.39 and 491,972.30

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Solution

The fourth proportional to 873,931.58, 1,206,048.39 and 491,972.30 is: 678,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,931.58 : 1,206,048.39 = 491,972.30 : x
  2. Step 2: Convert to fraction form
    873,931.58/1,206,048.39 = 491,972.30/x
  3. Step 3: Cross multiply
    873,931.58x = 1,206,048.39 × 491,972.30
  4. Step 4: Simplify right side
    873,931.58x = 593,342,400,339.60
  5. Step 5: Solve for x
    x = 593,342,400,339.60/873,931.58
  6. Step 6: Final answer
    x = 678,934.61

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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.