Home / 486,053.40-729,080.10-336,462.60

Finding the Fourth Proportional to 486,053.40, 729,080.10 and 336,462.60

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Solution

The fourth proportional to 486,053.40, 729,080.10 and 336,462.60 is: 504,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,053.40 : 729,080.10 = 336,462.60 : x
  2. Step 2: Convert to fraction form
    486,053.40/729,080.10 = 336,462.60/x
  3. Step 3: Cross multiply
    486,053.40x = 729,080.10 × 336,462.60
  4. Step 4: Simplify right side
    486,053.40x = 245,308,186,054.26
  5. Step 5: Solve for x
    x = 245,308,186,054.26/486,053.40
  6. Step 6: Final answer
    x = 504,693.90

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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.