Home / 349,853.10-524,779.65-320,822.70

Finding the Fourth Proportional to 349,853.10, 524,779.65 and 320,822.70

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Solution

The fourth proportional to 349,853.10, 524,779.65 and 320,822.70 is: 481,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,853.10 : 524,779.65 = 320,822.70 : x
  2. Step 2: Convert to fraction form
    349,853.10/524,779.65 = 320,822.70/x
  3. Step 3: Cross multiply
    349,853.10x = 524,779.65 × 320,822.70
  4. Step 4: Simplify right side
    349,853.10x = 168,361,224,218.06
  5. Step 5: Solve for x
    x = 168,361,224,218.06/349,853.10
  6. Step 6: Final answer
    x = 481,234.05

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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.