Home / 825,453.96-1,139,184.90-458,051.28

Finding the Fourth Proportional to 825,453.96, 1,139,184.90 and 458,051.28

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Solution

The fourth proportional to 825,453.96, 1,139,184.90 and 458,051.28 is: 632,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,453.96 : 1,139,184.90 = 458,051.28 : x
  2. Step 2: Convert to fraction form
    825,453.96/1,139,184.90 = 458,051.28/x
  3. Step 3: Cross multiply
    825,453.96x = 1,139,184.90 × 458,051.28
  4. Step 4: Simplify right side
    825,453.96x = 521,805,101,601.67
  5. Step 5: Solve for x
    x = 521,805,101,601.67/825,453.96
  6. Step 6: Final answer
    x = 632,143.19

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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.