Home / 821,667.08-1,133,897.46-459,124.04

Finding the Fourth Proportional to 821,667.08, 1,133,897.46 and 459,124.04

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Solution

The fourth proportional to 821,667.08, 1,133,897.46 and 459,124.04 is: 633,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,667.08 : 1,133,897.46 = 459,124.04 : x
  2. Step 2: Convert to fraction form
    821,667.08/1,133,897.46 = 459,124.04/x
  3. Step 3: Cross multiply
    821,667.08x = 1,133,897.46 × 459,124.04
  4. Step 4: Simplify right side
    821,667.08x = 520,599,582,780.94
  5. Step 5: Solve for x
    x = 520,599,582,780.94/821,667.08
  6. Step 6: Final answer
    x = 633,589.44

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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.