Home / 1,435,923.40-2,153,885.10-1,100,000.20

Finding the Fourth Proportional to 1,435,923.40, 2,153,885.10 and 1,100,000.20

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Solution

The fourth proportional to 1,435,923.40, 2,153,885.10 and 1,100,000.20 is: 1,650,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,923.40 : 2,153,885.10 = 1,100,000.20 : x
  2. Step 2: Convert to fraction form
    1,435,923.40/2,153,885.10 = 1,100,000.20/x
  3. Step 3: Cross multiply
    1,435,923.40x = 2,153,885.10 × 1,100,000.20
  4. Step 4: Simplify right side
    1,435,923.40x = 2,369,274,040,777.02
  5. Step 5: Solve for x
    x = 2,369,274,040,777.02/1,435,923.40
  6. Step 6: Final answer
    x = 1,650,000.30

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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.