Home / 456,260.04-684,501.57-321,586.74

Finding the Fourth Proportional to 456,260.04, 684,501.57 and 321,586.74

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Solution

The fourth proportional to 456,260.04, 684,501.57 and 321,586.74 is: 482,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,260.04 : 684,501.57 = 321,586.74 : x
  2. Step 2: Convert to fraction form
    456,260.04/684,501.57 = 321,586.74/x
  3. Step 3: Cross multiply
    456,260.04x = 684,501.57 × 321,586.74
  4. Step 4: Simplify right side
    456,260.04x = 220,126,628,421.18
  5. Step 5: Solve for x
    x = 220,126,628,421.18/456,260.04
  6. Step 6: Final answer
    x = 482,458.71

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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.