Home / 869,602.23-1,200,119.90-482,455.85

Finding the Fourth Proportional to 869,602.23, 1,200,119.90 and 482,455.85

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Solution

The fourth proportional to 869,602.23, 1,200,119.90 and 482,455.85 is: 665,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,602.23 : 1,200,119.90 = 482,455.85 : x
  2. Step 2: Convert to fraction form
    869,602.23/1,200,119.90 = 482,455.85/x
  3. Step 3: Cross multiply
    869,602.23x = 1,200,119.90 × 482,455.85
  4. Step 4: Simplify right side
    869,602.23x = 579,004,858,043.54
  5. Step 5: Solve for x
    x = 579,004,858,043.54/869,602.23
  6. Step 6: Final answer
    x = 665,827.25

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Double scale
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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.