Home / 2,057,276.80-3,085,915.20-637,476.40

Finding the Fourth Proportional to 2,057,276.80, 3,085,915.20 and 637,476.40

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Solution

The fourth proportional to 2,057,276.80, 3,085,915.20 and 637,476.40 is: 956,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,276.80 : 3,085,915.20 = 637,476.40 : x
  2. Step 2: Convert to fraction form
    2,057,276.80/3,085,915.20 = 637,476.40/x
  3. Step 3: Cross multiply
    2,057,276.80x = 3,085,915.20 × 637,476.40
  4. Step 4: Simplify right side
    2,057,276.80x = 1,967,198,112,401.28
  5. Step 5: Solve for x
    x = 1,967,198,112,401.28/2,057,276.80
  6. Step 6: Final answer
    x = 956,214.60

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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.