Home / 923,819.01-1,385,766.68-317,024.40

Finding the Fourth Proportional to 923,819.01, 1,385,766.68 and 317,024.40

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Solution

The fourth proportional to 923,819.01, 1,385,766.68 and 317,024.40 is: 475,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,819.01 : 1,385,766.68 = 317,024.40 : x
  2. Step 2: Convert to fraction form
    923,819.01/1,385,766.68 = 317,024.40/x
  3. Step 3: Cross multiply
    923,819.01x = 1,385,766.68 × 317,024.40
  4. Step 4: Simplify right side
    923,819.01x = 439,321,847,866.82
  5. Step 5: Solve for x
    x = 439,321,847,866.82/923,819.01
  6. Step 6: Final answer
    x = 475,549.70

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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.