Home / 784,353.16-1,082,407.40-444,821.44

Finding the Fourth Proportional to 784,353.16, 1,082,407.40 and 444,821.44

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Solution

The fourth proportional to 784,353.16, 1,082,407.40 and 444,821.44 is: 613,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,353.16 : 1,082,407.40 = 444,821.44 : x
  2. Step 2: Convert to fraction form
    784,353.16/1,082,407.40 = 444,821.44/x
  3. Step 3: Cross multiply
    784,353.16x = 1,082,407.40 × 444,821.44
  4. Step 4: Simplify right side
    784,353.16x = 481,478,018,334.66
  5. Step 5: Solve for x
    x = 481,478,018,334.66/784,353.16
  6. Step 6: Final answer
    x = 613,853.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.