Home / 556,688.54-834,977.42-257,164.83

Finding the Fourth Proportional to 556,688.54, 834,977.42 and 257,164.83

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Solution

The fourth proportional to 556,688.54, 834,977.42 and 257,164.83 is: 385,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,688.54 : 834,977.42 = 257,164.83 : x
  2. Step 2: Convert to fraction form
    556,688.54/834,977.42 = 257,164.83/x
  3. Step 3: Cross multiply
    556,688.54x = 834,977.42 × 257,164.83
  4. Step 4: Simplify right side
    556,688.54x = 214,726,824,982.31
  5. Step 5: Solve for x
    x = 214,726,824,982.31/556,688.54
  6. Step 6: Final answer
    x = 385,721.66

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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.