Home / 1,091,646.20-1,637,469.30-619,254.20

Finding the Fourth Proportional to 1,091,646.20, 1,637,469.30 and 619,254.20

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Solution

The fourth proportional to 1,091,646.20, 1,637,469.30 and 619,254.20 is: 928,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,646.20 : 1,637,469.30 = 619,254.20 : x
  2. Step 2: Convert to fraction form
    1,091,646.20/1,637,469.30 = 619,254.20/x
  3. Step 3: Cross multiply
    1,091,646.20x = 1,637,469.30 × 619,254.20
  4. Step 4: Simplify right side
    1,091,646.20x = 1,014,009,741,396.06
  5. Step 5: Solve for x
    x = 1,014,009,741,396.06/1,091,646.20
  6. Step 6: Final answer
    x = 928,881.30

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Double scale
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Similar ratio
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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.