Home / 672,417.05-927,935.87-382,029.11

Finding the Fourth Proportional to 672,417.05, 927,935.87 and 382,029.11

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Solution

The fourth proportional to 672,417.05, 927,935.87 and 382,029.11 is: 527,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,417.05 : 927,935.87 = 382,029.11 : x
  2. Step 2: Convert to fraction form
    672,417.05/927,935.87 = 382,029.11/x
  3. Step 3: Cross multiply
    672,417.05x = 927,935.87 × 382,029.11
  4. Step 4: Simplify right side
    672,417.05x = 354,498,511,483.11
  5. Step 5: Solve for x
    x = 354,498,511,483.11/672,417.05
  6. Step 6: Final answer
    x = 527,200.36

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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.