Home / 1,040,648.28-1,560,956.04-561,099.30

Finding the Fourth Proportional to 1,040,648.28, 1,560,956.04 and 561,099.30

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Solution

The fourth proportional to 1,040,648.28, 1,560,956.04 and 561,099.30 is: 841,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,648.28 : 1,560,956.04 = 561,099.30 : x
  2. Step 2: Convert to fraction form
    1,040,648.28/1,560,956.04 = 561,099.30/x
  3. Step 3: Cross multiply
    1,040,648.28x = 1,560,956.04 × 561,099.30
  4. Step 4: Simplify right side
    1,040,648.28x = 875,851,341,374.77
  5. Step 5: Solve for x
    x = 875,851,341,374.77/1,040,648.28
  6. Step 6: Final answer
    x = 841,640.12

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Double scale
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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.