Home / 908,936.06-1,254,321.56-495,463.78

Finding the Fourth Proportional to 908,936.06, 1,254,321.56 and 495,463.78

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Solution

The fourth proportional to 908,936.06, 1,254,321.56 and 495,463.78 is: 683,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,936.06 : 1,254,321.56 = 495,463.78 : x
  2. Step 2: Convert to fraction form
    908,936.06/1,254,321.56 = 495,463.78/x
  3. Step 3: Cross multiply
    908,936.06x = 1,254,321.56 × 495,463.78
  4. Step 4: Simplify right side
    908,936.06x = 621,470,901,453.10
  5. Step 5: Solve for x
    x = 621,470,901,453.10/908,936.06
  6. Step 6: Final answer
    x = 683,734.45

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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.