Home / 831,615.40-1,247,423.10-593,669.80

Finding the Fourth Proportional to 831,615.40, 1,247,423.10 and 593,669.80

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Solution

The fourth proportional to 831,615.40, 1,247,423.10 and 593,669.80 is: 890,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,615.40 : 1,247,423.10 = 593,669.80 : x
  2. Step 2: Convert to fraction form
    831,615.40/1,247,423.10 = 593,669.80/x
  3. Step 3: Cross multiply
    831,615.40x = 1,247,423.10 × 593,669.80
  4. Step 4: Simplify right side
    831,615.40x = 740,557,422,292.38
  5. Step 5: Solve for x
    x = 740,557,422,292.38/831,615.40
  6. Step 6: Final answer
    x = 890,504.70

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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.