Home / 832,441.35-1,248,610.77-512,654.16

Finding the Fourth Proportional to 832,441.35, 1,248,610.77 and 512,654.16

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Solution

The fourth proportional to 832,441.35, 1,248,610.77 and 512,654.16 is: 768,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,441.35 : 1,248,610.77 = 512,654.16 : x
  2. Step 2: Convert to fraction form
    832,441.35/1,248,610.77 = 512,654.16/x
  3. Step 3: Cross multiply
    832,441.35x = 1,248,610.77 × 512,654.16
  4. Step 4: Simplify right side
    832,441.35x = 640,105,505,461.30
  5. Step 5: Solve for x
    x = 640,105,505,461.30/832,441.35
  6. Step 6: Final answer
    x = 768,949.67

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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.