Home / 407,970.19-562,817.73-271,871.56

Finding the Fourth Proportional to 407,970.19, 562,817.73 and 271,871.56

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Solution

The fourth proportional to 407,970.19, 562,817.73 and 271,871.56 is: 375,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,970.19 : 562,817.73 = 271,871.56 : x
  2. Step 2: Convert to fraction form
    407,970.19/562,817.73 = 271,871.56/x
  3. Step 3: Cross multiply
    407,970.19x = 562,817.73 × 271,871.56
  4. Step 4: Simplify right side
    407,970.19x = 153,014,134,250.76
  5. Step 5: Solve for x
    x = 153,014,134,250.76/407,970.19
  6. Step 6: Final answer
    x = 375,062.05

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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.