Home / 468,261.03-646,200.21-253,401.09

Finding the Fourth Proportional to 468,261.03, 646,200.21 and 253,401.09

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Solution

The fourth proportional to 468,261.03, 646,200.21 and 253,401.09 is: 349,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,261.03 : 646,200.21 = 253,401.09 : x
  2. Step 2: Convert to fraction form
    468,261.03/646,200.21 = 253,401.09/x
  3. Step 3: Cross multiply
    468,261.03x = 646,200.21 × 253,401.09
  4. Step 4: Simplify right side
    468,261.03x = 163,747,837,572.23
  5. Step 5: Solve for x
    x = 163,747,837,572.23/468,261.03
  6. Step 6: Final answer
    x = 349,693.50

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1.5x scale

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.