Home / 825,804.59-1,139,551.34-458,301.44

Finding the Fourth Proportional to 825,804.59, 1,139,551.34 and 458,301.44

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Solution

The fourth proportional to 825,804.59, 1,139,551.34 and 458,301.44 is: 632,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,804.59 : 1,139,551.34 = 458,301.44 : x
  2. Step 2: Convert to fraction form
    825,804.59/1,139,551.34 = 458,301.44/x
  3. Step 3: Cross multiply
    825,804.59x = 1,139,551.34 × 458,301.44
  4. Step 4: Simplify right side
    825,804.59x = 522,258,020,633.30
  5. Step 5: Solve for x
    x = 522,258,020,633.30/825,804.59
  6. Step 6: Final answer
    x = 632,423.25

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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.