Home / 784,266.28-1,082,383.62-461,959.72

Finding the Fourth Proportional to 784,266.28, 1,082,383.62 and 461,959.72

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Solution

The fourth proportional to 784,266.28, 1,082,383.62 and 461,959.72 is: 637,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,266.28 : 1,082,383.62 = 461,959.72 : x
  2. Step 2: Convert to fraction form
    784,266.28/1,082,383.62 = 461,959.72/x
  3. Step 3: Cross multiply
    784,266.28x = 1,082,383.62 × 461,959.72
  4. Step 4: Simplify right side
    784,266.28x = 500,017,634,027.79
  5. Step 5: Solve for x
    x = 500,017,634,027.79/784,266.28
  6. Step 6: Final answer
    x = 637,561.05

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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.