Home / 488,330.64-673,862.88-270,531.84

Finding the Fourth Proportional to 488,330.64, 673,862.88 and 270,531.84

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Solution

The fourth proportional to 488,330.64, 673,862.88 and 270,531.84 is: 373,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,330.64 : 673,862.88 = 270,531.84 : x
  2. Step 2: Convert to fraction form
    488,330.64/673,862.88 = 270,531.84/x
  3. Step 3: Cross multiply
    488,330.64x = 673,862.88 × 270,531.84
  4. Step 4: Simplify right side
    488,330.64x = 182,301,364,834.10
  5. Step 5: Solve for x
    x = 182,301,364,834.10/488,330.64
  6. Step 6: Final answer
    x = 373,315.43

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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.