Home / 786,586.22-1,084,872.31-538,375.28

Finding the Fourth Proportional to 786,586.22, 1,084,872.31 and 538,375.28

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Solution

The fourth proportional to 786,586.22, 1,084,872.31 and 538,375.28 is: 742,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,586.22 : 1,084,872.31 = 538,375.28 : x
  2. Step 2: Convert to fraction form
    786,586.22/1,084,872.31 = 538,375.28/x
  3. Step 3: Cross multiply
    786,586.22x = 1,084,872.31 × 538,375.28
  4. Step 4: Simplify right side
    786,586.22x = 584,068,433,660.50
  5. Step 5: Solve for x
    x = 584,068,433,660.50/786,586.22
  6. Step 6: Final answer
    x = 742,535.81

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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.