Home / 448,445.12-671,748.60-359,215.52

Finding the Fourth Proportional to 448,445.12, 671,748.60 and 359,215.52

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Solution

The fourth proportional to 448,445.12, 671,748.60 and 359,215.52 is: 538,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,445.12 : 671,748.60 = 359,215.52 : x
  2. Step 2: Convert to fraction form
    448,445.12/671,748.60 = 359,215.52/x
  3. Step 3: Cross multiply
    448,445.12x = 671,748.60 × 359,215.52
  4. Step 4: Simplify right side
    448,445.12x = 241,302,522,658.27
  5. Step 5: Solve for x
    x = 241,302,522,658.27/448,445.12
  6. Step 6: Final answer
    x = 538,087.07

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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.