Home / 923,404.20-1,385,235.90-292,252.20

Finding the Fourth Proportional to 923,404.20, 1,385,235.90 and 292,252.20

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Solution

The fourth proportional to 923,404.20, 1,385,235.90 and 292,252.20 is: 438,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,404.20 : 1,385,235.90 = 292,252.20 : x
  2. Step 2: Convert to fraction form
    923,404.20/1,385,235.90 = 292,252.20/x
  3. Step 3: Cross multiply
    923,404.20x = 1,385,235.90 × 292,252.20
  4. Step 4: Simplify right side
    923,404.20x = 404,838,239,293.98
  5. Step 5: Solve for x
    x = 404,838,239,293.98/923,404.20
  6. Step 6: Final answer
    x = 438,419.32

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Double scale
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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.