Home / 936,278.17-1,292,063.43-528,465.54

Finding the Fourth Proportional to 936,278.17, 1,292,063.43 and 528,465.54

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Solution

The fourth proportional to 936,278.17, 1,292,063.43 and 528,465.54 is: 729,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,278.17 : 1,292,063.43 = 528,465.54 : x
  2. Step 2: Convert to fraction form
    936,278.17/1,292,063.43 = 528,465.54/x
  3. Step 3: Cross multiply
    936,278.17x = 1,292,063.43 × 528,465.54
  4. Step 4: Simplify right side
    936,278.17x = 682,811,005,076.19
  5. Step 5: Solve for x
    x = 682,811,005,076.19/936,278.17
  6. Step 6: Final answer
    x = 729,282.20

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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.