Home / 864,778.20-1,193,389.41-482,805.01

Finding the Fourth Proportional to 864,778.20, 1,193,389.41 and 482,805.01

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Solution

The fourth proportional to 864,778.20, 1,193,389.41 and 482,805.01 is: 666,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,778.20 : 1,193,389.41 = 482,805.01 : x
  2. Step 2: Convert to fraction form
    864,778.20/1,193,389.41 = 482,805.01/x
  3. Step 3: Cross multiply
    864,778.20x = 1,193,389.41 × 482,805.01
  4. Step 4: Simplify right side
    864,778.20x = 576,174,386,028.94
  5. Step 5: Solve for x
    x = 576,174,386,028.94/864,778.20
  6. Step 6: Final answer
    x = 666,268.40

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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.