Home / 908,988.68-1,256,671.86-682,240.52

Finding the Fourth Proportional to 908,988.68, 1,256,671.86 and 682,240.52

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Solution

The fourth proportional to 908,988.68, 1,256,671.86 and 682,240.52 is: 943,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,988.68 : 1,256,671.86 = 682,240.52 : x
  2. Step 2: Convert to fraction form
    908,988.68/1,256,671.86 = 682,240.52/x
  3. Step 3: Cross multiply
    908,988.68x = 1,256,671.86 × 682,240.52
  4. Step 4: Simplify right side
    908,988.68x = 857,352,463,235.77
  5. Step 5: Solve for x
    x = 857,352,463,235.77/908,988.68
  6. Step 6: Final answer
    x = 943,193.77

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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.