Home / 1,085,792.16-1,628,425.80-455,178

Finding the Fourth Proportional to 1,085,792.16, 1,628,425.80 and 455,178

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Solution

The fourth proportional to 1,085,792.16, 1,628,425.80 and 455,178 is: 682,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,792.16 : 1,628,425.80 = 455,178 : x
  2. Step 2: Convert to fraction form
    1,085,792.16/1,628,425.80 = 455,178/x
  3. Step 3: Cross multiply
    1,085,792.16x = 1,628,425.80 × 455,178
  4. Step 4: Simplify right side
    1,085,792.16x = 741,223,598,792.40
  5. Step 5: Solve for x
    x = 741,223,598,792.40/1,085,792.16
  6. Step 6: Final answer
    x = 682,656.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.