Home / 946,883.80-1,419,116.10-385,283.80

Finding the Fourth Proportional to 946,883.80, 1,419,116.10 and 385,283.80

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Solution

The fourth proportional to 946,883.80, 1,419,116.10 and 385,283.80 is: 577,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,883.80 : 1,419,116.10 = 385,283.80 : x
  2. Step 2: Convert to fraction form
    946,883.80/1,419,116.10 = 385,283.80/x
  3. Step 3: Cross multiply
    946,883.80x = 1,419,116.10 × 385,283.80
  4. Step 4: Simplify right side
    946,883.80x = 546,762,443,649.18
  5. Step 5: Solve for x
    x = 546,762,443,649.18/946,883.80
  6. Step 6: Final answer
    x = 577,433.52

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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.