Home / 878,482.04-1,212,435.24-556,222.04

Finding the Fourth Proportional to 878,482.04, 1,212,435.24 and 556,222.04

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Solution

The fourth proportional to 878,482.04, 1,212,435.24 and 556,222.04 is: 767,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,482.04 : 1,212,435.24 = 556,222.04 : x
  2. Step 2: Convert to fraction form
    878,482.04/1,212,435.24 = 556,222.04/x
  3. Step 3: Cross multiply
    878,482.04x = 1,212,435.24 × 556,222.04
  4. Step 4: Simplify right side
    878,482.04x = 674,383,202,560.69
  5. Step 5: Solve for x
    x = 674,383,202,560.69/878,482.04
  6. Step 6: Final answer
    x = 767,668.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.