Home / 536,826.05-805,106.25-320,743.76

Finding the Fourth Proportional to 536,826.05, 805,106.25 and 320,743.76

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Solution

The fourth proportional to 536,826.05, 805,106.25 and 320,743.76 is: 481,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,826.05 : 805,106.25 = 320,743.76 : x
  2. Step 2: Convert to fraction form
    536,826.05/805,106.25 = 320,743.76/x
  3. Step 3: Cross multiply
    536,826.05x = 805,106.25 × 320,743.76
  4. Step 4: Simplify right side
    536,826.05x = 258,232,808,639.13
  5. Step 5: Solve for x
    x = 258,232,808,639.13/536,826.05
  6. Step 6: Final answer
    x = 481,036.29

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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.