Home / 421,848.36-582,060.56-249,820.36

Finding the Fourth Proportional to 421,848.36, 582,060.56 and 249,820.36

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Solution

The fourth proportional to 421,848.36, 582,060.56 and 249,820.36 is: 344,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,848.36 : 582,060.56 = 249,820.36 : x
  2. Step 2: Convert to fraction form
    421,848.36/582,060.56 = 249,820.36/x
  3. Step 3: Cross multiply
    421,848.36x = 582,060.56 × 249,820.36
  4. Step 4: Simplify right side
    421,848.36x = 145,410,578,641.00
  5. Step 5: Solve for x
    x = 145,410,578,641.00/421,848.36
  6. Step 6: Final answer
    x = 344,698.69

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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.