Home / 556,921.41-835,248.31-257,113.95

Finding the Fourth Proportional to 556,921.41, 835,248.31 and 257,113.95

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Solution

The fourth proportional to 556,921.41, 835,248.31 and 257,113.95 is: 385,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,921.41 : 835,248.31 = 257,113.95 : x
  2. Step 2: Convert to fraction form
    556,921.41/835,248.31 = 257,113.95/x
  3. Step 3: Cross multiply
    556,921.41x = 835,248.31 × 257,113.95
  4. Step 4: Simplify right side
    556,921.41x = 214,753,988,439.96
  5. Step 5: Solve for x
    x = 214,753,988,439.96/556,921.41
  6. Step 6: Final answer
    x = 385,609.15

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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.