Home / 456,532.61-684,911.60-140,989.51

Finding the Fourth Proportional to 456,532.61, 684,911.60 and 140,989.51

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Solution

The fourth proportional to 456,532.61, 684,911.60 and 140,989.51 is: 211,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,532.61 : 684,911.60 = 140,989.51 : x
  2. Step 2: Convert to fraction form
    456,532.61/684,911.60 = 140,989.51/x
  3. Step 3: Cross multiply
    456,532.61x = 684,911.60 × 140,989.51
  4. Step 4: Simplify right side
    456,532.61x = 96,565,351,557.22
  5. Step 5: Solve for x
    x = 96,565,351,557.22/456,532.61
  6. Step 6: Final answer
    x = 211,519.07

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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.