Home / 821,783.38-1,134,055.53-459,208.14

Finding the Fourth Proportional to 821,783.38, 1,134,055.53 and 459,208.14

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Solution

The fourth proportional to 821,783.38, 1,134,055.53 and 459,208.14 is: 633,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,783.38 : 1,134,055.53 = 459,208.14 : x
  2. Step 2: Convert to fraction form
    821,783.38/1,134,055.53 = 459,208.14/x
  3. Step 3: Cross multiply
    821,783.38x = 1,134,055.53 × 459,208.14
  4. Step 4: Simplify right side
    821,783.38x = 520,767,530,588.01
  5. Step 5: Solve for x
    x = 520,767,530,588.01/821,783.38
  6. Step 6: Final answer
    x = 633,704.14

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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.