Home / 1,085,814.80-1,628,916.60-454,792.40

Finding the Fourth Proportional to 1,085,814.80, 1,628,916.60 and 454,792.40

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Solution

The fourth proportional to 1,085,814.80, 1,628,916.60 and 454,792.40 is: 682,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,814.80 : 1,628,916.60 = 454,792.40 : x
  2. Step 2: Convert to fraction form
    1,085,814.80/1,628,916.60 = 454,792.40/x
  3. Step 3: Cross multiply
    1,085,814.80x = 1,628,916.60 × 454,792.40
  4. Step 4: Simplify right side
    1,085,814.80x = 740,818,889,913.84
  5. Step 5: Solve for x
    x = 740,818,889,913.84/1,085,814.80
  6. Step 6: Final answer
    x = 682,270.02

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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.