Home / 867,005.47-1,196,440.53-479,797.60

Finding the Fourth Proportional to 867,005.47, 1,196,440.53 and 479,797.60

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Solution

The fourth proportional to 867,005.47, 1,196,440.53 and 479,797.60 is: 662,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,005.47 : 1,196,440.53 = 479,797.60 : x
  2. Step 2: Convert to fraction form
    867,005.47/1,196,440.53 = 479,797.60/x
  3. Step 3: Cross multiply
    867,005.47x = 1,196,440.53 × 479,797.60
  4. Step 4: Simplify right side
    867,005.47x = 574,049,288,854.53
  5. Step 5: Solve for x
    x = 574,049,288,854.53/867,005.47
  6. Step 6: Final answer
    x = 662,105.73

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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.