Home / 841,358.72-1,161,091.20-459,400.64

Finding the Fourth Proportional to 841,358.72, 1,161,091.20 and 459,400.64

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Solution

The fourth proportional to 841,358.72, 1,161,091.20 and 459,400.64 is: 633,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,358.72 : 1,161,091.20 = 459,400.64 : x
  2. Step 2: Convert to fraction form
    841,358.72/1,161,091.20 = 459,400.64/x
  3. Step 3: Cross multiply
    841,358.72x = 1,161,091.20 × 459,400.64
  4. Step 4: Simplify right side
    841,358.72x = 533,406,040,378.37
  5. Step 5: Solve for x
    x = 533,406,040,378.37/841,358.72
  6. Step 6: Final answer
    x = 633,981.71

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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.