Home / 923,918.52-1,385,877.80-347,650.16

Finding the Fourth Proportional to 923,918.52, 1,385,877.80 and 347,650.16

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Solution

The fourth proportional to 923,918.52, 1,385,877.80 and 347,650.16 is: 521,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,918.52 : 1,385,877.80 = 347,650.16 : x
  2. Step 2: Convert to fraction form
    923,918.52/1,385,877.80 = 347,650.16/x
  3. Step 3: Cross multiply
    923,918.52x = 1,385,877.80 × 347,650.16
  4. Step 4: Simplify right side
    923,918.52x = 481,800,638,910.45
  5. Step 5: Solve for x
    x = 481,800,638,910.45/923,918.52
  6. Step 6: Final answer
    x = 521,475.25

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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.