Home / 825,563.39-1,139,327.18-463,008.68

Finding the Fourth Proportional to 825,563.39, 1,139,327.18 and 463,008.68

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Solution

The fourth proportional to 825,563.39, 1,139,327.18 and 463,008.68 is: 638,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,563.39 : 1,139,327.18 = 463,008.68 : x
  2. Step 2: Convert to fraction form
    825,563.39/1,139,327.18 = 463,008.68/x
  3. Step 3: Cross multiply
    825,563.39x = 1,139,327.18 × 463,008.68
  4. Step 4: Simplify right side
    825,563.39x = 527,518,374,233.20
  5. Step 5: Solve for x
    x = 527,518,374,233.20/825,563.39
  6. Step 6: Final answer
    x = 638,979.85

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Double scale
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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.