Home / 939,300.95-1,296,195.54-531,409.73

Finding the Fourth Proportional to 939,300.95, 1,296,195.54 and 531,409.73

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Solution

The fourth proportional to 939,300.95, 1,296,195.54 and 531,409.73 is: 733,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,300.95 : 1,296,195.54 = 531,409.73 : x
  2. Step 2: Convert to fraction form
    939,300.95/1,296,195.54 = 531,409.73/x
  3. Step 3: Cross multiply
    939,300.95x = 1,296,195.54 × 531,409.73
  4. Step 4: Simplify right side
    939,300.95x = 688,810,915,457.63
  5. Step 5: Solve for x
    x = 688,810,915,457.63/939,300.95
  6. Step 6: Final answer
    x = 733,322.92

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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.