Home / 418,140.31-577,015.14-236,848.60

Finding the Fourth Proportional to 418,140.31, 577,015.14 and 236,848.60

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Solution

The fourth proportional to 418,140.31, 577,015.14 and 236,848.60 is: 326,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,140.31 : 577,015.14 = 236,848.60 : x
  2. Step 2: Convert to fraction form
    418,140.31/577,015.14 = 236,848.60/x
  3. Step 3: Cross multiply
    418,140.31x = 577,015.14 × 236,848.60
  4. Step 4: Simplify right side
    418,140.31x = 136,665,228,087.80
  5. Step 5: Solve for x
    x = 136,665,228,087.80/418,140.31
  6. Step 6: Final answer
    x = 326,840.60

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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.