Home / 639,354.56-882,338.08-367,510.72

Finding the Fourth Proportional to 639,354.56, 882,338.08 and 367,510.72

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Solution

The fourth proportional to 639,354.56, 882,338.08 and 367,510.72 is: 507,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,354.56 : 882,338.08 = 367,510.72 : x
  2. Step 2: Convert to fraction form
    639,354.56/882,338.08 = 367,510.72/x
  3. Step 3: Cross multiply
    639,354.56x = 882,338.08 × 367,510.72
  4. Step 4: Simplify right side
    639,354.56x = 324,268,703,064.22
  5. Step 5: Solve for x
    x = 324,268,703,064.22/639,354.56
  6. Step 6: Final answer
    x = 507,181.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.