Home / 720,935.52-1,082,056.96-384,259.04

Finding the Fourth Proportional to 720,935.52, 1,082,056.96 and 384,259.04

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Solution

The fourth proportional to 720,935.52, 1,082,056.96 and 384,259.04 is: 576,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,935.52 : 1,082,056.96 = 384,259.04 : x
  2. Step 2: Convert to fraction form
    720,935.52/1,082,056.96 = 384,259.04/x
  3. Step 3: Cross multiply
    720,935.52x = 1,082,056.96 × 384,259.04
  4. Step 4: Simplify right side
    720,935.52x = 415,790,168,674.92
  5. Step 5: Solve for x
    x = 415,790,168,674.92/720,935.52
  6. Step 6: Final answer
    x = 576,736.97

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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.