Home / 349,937.10-524,905.65-320,906.70

Finding the Fourth Proportional to 349,937.10, 524,905.65 and 320,906.70

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Solution

The fourth proportional to 349,937.10, 524,905.65 and 320,906.70 is: 481,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,937.10 : 524,905.65 = 320,906.70 : x
  2. Step 2: Convert to fraction form
    349,937.10/524,905.65 = 320,906.70/x
  3. Step 3: Cross multiply
    349,937.10x = 524,905.65 × 320,906.70
  4. Step 4: Simplify right side
    349,937.10x = 168,445,739,952.86
  5. Step 5: Solve for x
    x = 168,445,739,952.86/349,937.10
  6. Step 6: Final answer
    x = 481,360.05

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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.