Home / 863,527.05-1,191,641.09-481,618.53

Finding the Fourth Proportional to 863,527.05, 1,191,641.09 and 481,618.53

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Solution

The fourth proportional to 863,527.05, 1,191,641.09 and 481,618.53 is: 664,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,527.05 : 1,191,641.09 = 481,618.53 : x
  2. Step 2: Convert to fraction form
    863,527.05/1,191,641.09 = 481,618.53/x
  3. Step 3: Cross multiply
    863,527.05x = 1,191,641.09 × 481,618.53
  4. Step 4: Simplify right side
    863,527.05x = 573,916,427,645.31
  5. Step 5: Solve for x
    x = 573,916,427,645.31/863,527.05
  6. Step 6: Final answer
    x = 664,618.93

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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.