Home / 1,104,220.20-1,656,330.30-394,271.40

Finding the Fourth Proportional to 1,104,220.20, 1,656,330.30 and 394,271.40

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Solution

The fourth proportional to 1,104,220.20, 1,656,330.30 and 394,271.40 is: 591,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,220.20 : 1,656,330.30 = 394,271.40 : x
  2. Step 2: Convert to fraction form
    1,104,220.20/1,656,330.30 = 394,271.40/x
  3. Step 3: Cross multiply
    1,104,220.20x = 1,656,330.30 × 394,271.40
  4. Step 4: Simplify right side
    1,104,220.20x = 653,043,666,243.42
  5. Step 5: Solve for x
    x = 653,043,666,243.42/1,104,220.20
  6. Step 6: Final answer
    x = 591,407.10

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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.