Home / 488,916.10-731,624.55-446,925.70

Finding the Fourth Proportional to 488,916.10, 731,624.55 and 446,925.70

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Solution

The fourth proportional to 488,916.10, 731,624.55 and 446,925.70 is: 668,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,916.10 : 731,624.55 = 446,925.70 : x
  2. Step 2: Convert to fraction form
    488,916.10/731,624.55 = 446,925.70/x
  3. Step 3: Cross multiply
    488,916.10x = 731,624.55 × 446,925.70
  4. Step 4: Simplify right side
    488,916.10x = 326,981,814,145.94
  5. Step 5: Solve for x
    x = 326,981,814,145.94/488,916.10
  6. Step 6: Final answer
    x = 668,789.21

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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.