Home / 495,756.70-683,892.38-323,775.29

Finding the Fourth Proportional to 495,756.70, 683,892.38 and 323,775.29

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Solution

The fourth proportional to 495,756.70, 683,892.38 and 323,775.29 is: 446,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,756.70 : 683,892.38 = 323,775.29 : x
  2. Step 2: Convert to fraction form
    495,756.70/683,892.38 = 323,775.29/x
  3. Step 3: Cross multiply
    495,756.70x = 683,892.38 × 323,775.29
  4. Step 4: Simplify right side
    495,756.70x = 221,427,453,663.29
  5. Step 5: Solve for x
    x = 221,427,453,663.29/495,756.70
  6. Step 6: Final answer
    x = 446,645.41

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1.5x scale

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.