Home / 863,274.96-1,191,007.07-500,499.05

Finding the Fourth Proportional to 863,274.96, 1,191,007.07 and 500,499.05

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Solution

The fourth proportional to 863,274.96, 1,191,007.07 and 500,499.05 is: 690,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,274.96 : 1,191,007.07 = 500,499.05 : x
  2. Step 2: Convert to fraction form
    863,274.96/1,191,007.07 = 500,499.05/x
  3. Step 3: Cross multiply
    863,274.96x = 1,191,007.07 × 500,499.05
  4. Step 4: Simplify right side
    863,274.96x = 596,097,898,620.75
  5. Step 5: Solve for x
    x = 596,097,898,620.75/863,274.96
  6. Step 6: Final answer
    x = 690,507.57

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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.