Home / 822,154.49-1,232,950.68-417,190.50

Finding the Fourth Proportional to 822,154.49, 1,232,950.68 and 417,190.50

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Solution

The fourth proportional to 822,154.49, 1,232,950.68 and 417,190.50 is: 625,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,154.49 : 1,232,950.68 = 417,190.50 : x
  2. Step 2: Convert to fraction form
    822,154.49/1,232,950.68 = 417,190.50/x
  3. Step 3: Cross multiply
    822,154.49x = 1,232,950.68 × 417,190.50
  4. Step 4: Simplify right side
    822,154.49x = 514,375,310,664.54
  5. Step 5: Solve for x
    x = 514,375,310,664.54/822,154.49
  6. Step 6: Final answer
    x = 625,643.14

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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.