Home / 939,903.60-1,297,073.52-510,183.72

Finding the Fourth Proportional to 939,903.60, 1,297,073.52 and 510,183.72

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Solution

The fourth proportional to 939,903.60, 1,297,073.52 and 510,183.72 is: 704,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,903.60 : 1,297,073.52 = 510,183.72 : x
  2. Step 2: Convert to fraction form
    939,903.60/1,297,073.52 = 510,183.72/x
  3. Step 3: Cross multiply
    939,903.60x = 1,297,073.52 × 510,183.72
  4. Step 4: Simplify right side
    939,903.60x = 661,745,793,547.09
  5. Step 5: Solve for x
    x = 661,745,793,547.09/939,903.60
  6. Step 6: Final answer
    x = 704,057.09

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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.