Home / 742,183.55-1,024,309.74-415,620.89

Finding the Fourth Proportional to 742,183.55, 1,024,309.74 and 415,620.89

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Solution

The fourth proportional to 742,183.55, 1,024,309.74 and 415,620.89 is: 573,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,183.55 : 1,024,309.74 = 415,620.89 : x
  2. Step 2: Convert to fraction form
    742,183.55/1,024,309.74 = 415,620.89/x
  3. Step 3: Cross multiply
    742,183.55x = 1,024,309.74 × 415,620.89
  4. Step 4: Simplify right side
    742,183.55x = 425,724,525,774.47
  5. Step 5: Solve for x
    x = 425,724,525,774.47/742,183.55
  6. Step 6: Final answer
    x = 573,610.83

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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.