Home / 818,251.34-1,226,966.54-476,805.36

Finding the Fourth Proportional to 818,251.34, 1,226,966.54 and 476,805.36

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Solution

The fourth proportional to 818,251.34, 1,226,966.54 and 476,805.36 is: 714,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,251.34 : 1,226,966.54 = 476,805.36 : x
  2. Step 2: Convert to fraction form
    818,251.34/1,226,966.54 = 476,805.36/x
  3. Step 3: Cross multiply
    818,251.34x = 1,226,966.54 × 476,805.36
  4. Step 4: Simplify right side
    818,251.34x = 585,024,222,812.65
  5. Step 5: Solve for x
    x = 585,024,222,812.65/818,251.34
  6. Step 6: Final answer
    x = 714,968.85

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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.