Home / 355,333.40-533,000.10-331,832.60

Finding the Fourth Proportional to 355,333.40, 533,000.10 and 331,832.60

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Solution

The fourth proportional to 355,333.40, 533,000.10 and 331,832.60 is: 497,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,333.40 : 533,000.10 = 331,832.60 : x
  2. Step 2: Convert to fraction form
    355,333.40/533,000.10 = 331,832.60/x
  3. Step 3: Cross multiply
    355,333.40x = 533,000.10 × 331,832.60
  4. Step 4: Simplify right side
    355,333.40x = 176,866,808,983.26
  5. Step 5: Solve for x
    x = 176,866,808,983.26/355,333.40
  6. Step 6: Final answer
    x = 497,748.90

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1.5x scale

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.