Home / 430,958.03-646,220.75-251,101.58

Finding the Fourth Proportional to 430,958.03, 646,220.75 and 251,101.58

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Solution

The fourth proportional to 430,958.03, 646,220.75 and 251,101.58 is: 376,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,958.03 : 646,220.75 = 251,101.58 : x
  2. Step 2: Convert to fraction form
    430,958.03/646,220.75 = 251,101.58/x
  3. Step 3: Cross multiply
    430,958.03x = 646,220.75 × 251,101.58
  4. Step 4: Simplify right side
    430,958.03x = 162,267,046,867.17
  5. Step 5: Solve for x
    x = 162,267,046,867.17/430,958.03
  6. Step 6: Final answer
    x = 376,526.34

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1.5x scale

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.