Home / 355,926.80-533,890.20-322,101.20

Finding the Fourth Proportional to 355,926.80, 533,890.20 and 322,101.20

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Solution

The fourth proportional to 355,926.80, 533,890.20 and 322,101.20 is: 483,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,926.80 : 533,890.20 = 322,101.20 : x
  2. Step 2: Convert to fraction form
    355,926.80/533,890.20 = 322,101.20/x
  3. Step 3: Cross multiply
    355,926.80x = 533,890.20 × 322,101.20
  4. Step 4: Simplify right side
    355,926.80x = 171,966,674,088.24
  5. Step 5: Solve for x
    x = 171,966,674,088.24/355,926.80
  6. Step 6: Final answer
    x = 483,151.80

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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.