Home / 2,940,824.40-4,411,236.60-811,237.20

Finding the Fourth Proportional to 2,940,824.40, 4,411,236.60 and 811,237.20

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Solution

The fourth proportional to 2,940,824.40, 4,411,236.60 and 811,237.20 is: 1,216,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,824.40 : 4,411,236.60 = 811,237.20 : x
  2. Step 2: Convert to fraction form
    2,940,824.40/4,411,236.60 = 811,237.20/x
  3. Step 3: Cross multiply
    2,940,824.40x = 4,411,236.60 × 811,237.20
  4. Step 4: Simplify right side
    2,940,824.40x = 3,578,559,227,921.52
  5. Step 5: Solve for x
    x = 3,578,559,227,921.52/2,940,824.40
  6. Step 6: Final answer
    x = 1,216,855.80

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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.