Home / 1,359,936.60-2,039,904.90-413,184.30

Finding the Fourth Proportional to 1,359,936.60, 2,039,904.90 and 413,184.30

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Solution

The fourth proportional to 1,359,936.60, 2,039,904.90 and 413,184.30 is: 619,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,936.60 : 2,039,904.90 = 413,184.30 : x
  2. Step 2: Convert to fraction form
    1,359,936.60/2,039,904.90 = 413,184.30/x
  3. Step 3: Cross multiply
    1,359,936.60x = 2,039,904.90 × 413,184.30
  4. Step 4: Simplify right side
    1,359,936.60x = 842,856,678,173.07
  5. Step 5: Solve for x
    x = 842,856,678,173.07/1,359,936.60
  6. Step 6: Final answer
    x = 619,776.45

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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.