Home / 672,940.05-928,427.58-382,522.25

Finding the Fourth Proportional to 672,940.05, 928,427.58 and 382,522.25

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Solution

The fourth proportional to 672,940.05, 928,427.58 and 382,522.25 is: 527,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,940.05 : 928,427.58 = 382,522.25 : x
  2. Step 2: Convert to fraction form
    672,940.05/928,427.58 = 382,522.25/x
  3. Step 3: Cross multiply
    672,940.05x = 928,427.58 × 382,522.25
  4. Step 4: Simplify right side
    672,940.05x = 355,144,202,221.52
  5. Step 5: Solve for x
    x = 355,144,202,221.52/672,940.05
  6. Step 6: Final answer
    x = 527,750.13

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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.