Home / 456,125.04-684,298.80-321,451.74

Finding the Fourth Proportional to 456,125.04, 684,298.80 and 321,451.74

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Solution

The fourth proportional to 456,125.04, 684,298.80 and 321,451.74 is: 482,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,125.04 : 684,298.80 = 321,451.74 : x
  2. Step 2: Convert to fraction form
    456,125.04/684,298.80 = 321,451.74/x
  3. Step 3: Cross multiply
    456,125.04x = 684,298.80 × 321,451.74
  4. Step 4: Simplify right side
    456,125.04x = 219,969,039,939.91
  5. Step 5: Solve for x
    x = 219,969,039,939.91/456,125.04
  6. Step 6: Final answer
    x = 482,256.01

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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.