Home / 1,683,627.20-2,323,455.36-919,693.28

Finding the Fourth Proportional to 1,683,627.20, 2,323,455.36 and 919,693.28

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Solution

The fourth proportional to 1,683,627.20, 2,323,455.36 and 919,693.28 is: 1,269,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,627.20 : 2,323,455.36 = 919,693.28 : x
  2. Step 2: Convert to fraction form
    1,683,627.20/2,323,455.36 = 919,693.28/x
  3. Step 3: Cross multiply
    1,683,627.20x = 2,323,455.36 × 919,693.28
  4. Step 4: Simplify right side
    1,683,627.20x = 2,136,866,280,971.98
  5. Step 5: Solve for x
    x = 2,136,866,280,971.98/1,683,627.20
  6. Step 6: Final answer
    x = 1,269,203.94

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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.