Home / 705,025.89-972,833.09-403,161.57

Finding the Fourth Proportional to 705,025.89, 972,833.09 and 403,161.57

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Solution

The fourth proportional to 705,025.89, 972,833.09 and 403,161.57 is: 556,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,025.89 : 972,833.09 = 403,161.57 : x
  2. Step 2: Convert to fraction form
    705,025.89/972,833.09 = 403,161.57/x
  3. Step 3: Cross multiply
    705,025.89x = 972,833.09 × 403,161.57
  4. Step 4: Simplify right side
    705,025.89x = 392,208,913,896.54
  5. Step 5: Solve for x
    x = 392,208,913,896.54/705,025.89
  6. Step 6: Final answer
    x = 556,304.27

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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.