Home / 488,445.30-733,445.55-331,370.10

Finding the Fourth Proportional to 488,445.30, 733,445.55 and 331,370.10

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Solution

The fourth proportional to 488,445.30, 733,445.55 and 331,370.10 is: 497,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,445.30 : 733,445.55 = 331,370.10 : x
  2. Step 2: Convert to fraction form
    488,445.30/733,445.55 = 331,370.10/x
  3. Step 3: Cross multiply
    488,445.30x = 733,445.55 × 331,370.10
  4. Step 4: Simplify right side
    488,445.30x = 243,041,925,248.06
  5. Step 5: Solve for x
    x = 243,041,925,248.06/488,445.30
  6. Step 6: Final answer
    x = 497,582.69

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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.