Home / 1,201,579.41-1,658,221.67-657,715.55

Finding the Fourth Proportional to 1,201,579.41, 1,658,221.67 and 657,715.55

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Solution

The fourth proportional to 1,201,579.41, 1,658,221.67 and 657,715.55 is: 907,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,579.41 : 1,658,221.67 = 657,715.55 : x
  2. Step 2: Convert to fraction form
    1,201,579.41/1,658,221.67 = 657,715.55/x
  3. Step 3: Cross multiply
    1,201,579.41x = 1,658,221.67 × 657,715.55
  4. Step 4: Simplify right side
    1,201,579.41x = 1,090,638,171,059.15
  5. Step 5: Solve for x
    x = 1,090,638,171,059.15/1,201,579.41
  6. Step 6: Final answer
    x = 907,670.49

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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.