Home / 936,331.42-1,292,141.76-528,450.46

Finding the Fourth Proportional to 936,331.42, 1,292,141.76 and 528,450.46

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Solution

The fourth proportional to 936,331.42, 1,292,141.76 and 528,450.46 is: 729,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,331.42 : 1,292,141.76 = 528,450.46 : x
  2. Step 2: Convert to fraction form
    936,331.42/1,292,141.76 = 528,450.46/x
  3. Step 3: Cross multiply
    936,331.42x = 1,292,141.76 × 528,450.46
  4. Step 4: Simplify right side
    936,331.42x = 682,832,907,457.21
  5. Step 5: Solve for x
    x = 682,832,907,457.21/936,331.42
  6. Step 6: Final answer
    x = 729,264.12

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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.