Home / 423,023.99-634,473.54-123,424.16

Finding the Fourth Proportional to 423,023.99, 634,473.54 and 123,424.16

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Solution

The fourth proportional to 423,023.99, 634,473.54 and 123,424.16 is: 185,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,023.99 : 634,473.54 = 123,424.16 : x
  2. Step 2: Convert to fraction form
    423,023.99/634,473.54 = 123,424.16/x
  3. Step 3: Cross multiply
    423,023.99x = 634,473.54 × 123,424.16
  4. Step 4: Simplify right side
    423,023.99x = 78,309,360,544.36
  5. Step 5: Solve for x
    x = 78,309,360,544.36/423,023.99
  6. Step 6: Final answer
    x = 185,118.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.