Home / 556,089.36-834,006.12-331,513.20

Finding the Fourth Proportional to 556,089.36, 834,006.12 and 331,513.20

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Solution

The fourth proportional to 556,089.36, 834,006.12 and 331,513.20 is: 497,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,089.36 : 834,006.12 = 331,513.20 : x
  2. Step 2: Convert to fraction form
    556,089.36/834,006.12 = 331,513.20/x
  3. Step 3: Cross multiply
    556,089.36x = 834,006.12 × 331,513.20
  4. Step 4: Simplify right side
    556,089.36x = 276,484,037,660.78
  5. Step 5: Solve for x
    x = 276,484,037,660.78/556,089.36
  6. Step 6: Final answer
    x = 497,193.54

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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.