Home / 556,921.32-835,248.09-257,113.92

Finding the Fourth Proportional to 556,921.32, 835,248.09 and 257,113.92

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Solution

The fourth proportional to 556,921.32, 835,248.09 and 257,113.92 is: 385,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,921.32 : 835,248.09 = 257,113.92 : x
  2. Step 2: Convert to fraction form
    556,921.32/835,248.09 = 257,113.92/x
  3. Step 3: Cross multiply
    556,921.32x = 835,248.09 × 257,113.92
  4. Step 4: Simplify right side
    556,921.32x = 214,753,910,592.41
  5. Step 5: Solve for x
    x = 214,753,910,592.41/556,921.32
  6. Step 6: Final answer
    x = 385,609.07

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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.