Home / 561,927.10-842,890.65-325,876.90

Finding the Fourth Proportional to 561,927.10, 842,890.65 and 325,876.90

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Solution

The fourth proportional to 561,927.10, 842,890.65 and 325,876.90 is: 488,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,927.10 : 842,890.65 = 325,876.90 : x
  2. Step 2: Convert to fraction form
    561,927.10/842,890.65 = 325,876.90/x
  3. Step 3: Cross multiply
    561,927.10x = 842,890.65 × 325,876.90
  4. Step 4: Simplify right side
    561,927.10x = 274,678,592,060.99
  5. Step 5: Solve for x
    x = 274,678,592,060.99/561,927.10
  6. Step 6: Final answer
    x = 488,815.35

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Double scale
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Similar ratio
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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.