Home / 580,120.04-870,222-242,821.46

Finding the Fourth Proportional to 580,120.04, 870,222 and 242,821.46

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Solution

The fourth proportional to 580,120.04, 870,222 and 242,821.46 is: 364,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,120.04 : 870,222 = 242,821.46 : x
  2. Step 2: Convert to fraction form
    580,120.04/870,222 = 242,821.46/x
  3. Step 3: Cross multiply
    580,120.04x = 870,222 × 242,821.46
  4. Step 4: Simplify right side
    580,120.04x = 211,308,576,564.12
  5. Step 5: Solve for x
    x = 211,308,576,564.12/580,120.04
  6. Step 6: Final answer
    x = 364,249.74

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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.