Home / 872,579.90-1,203,756.09-510,019.04

Finding the Fourth Proportional to 872,579.90, 1,203,756.09 and 510,019.04

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Solution

The fourth proportional to 872,579.90, 1,203,756.09 and 510,019.04 is: 703,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,579.90 : 1,203,756.09 = 510,019.04 : x
  2. Step 2: Convert to fraction form
    872,579.90/1,203,756.09 = 510,019.04/x
  3. Step 3: Cross multiply
    872,579.90x = 1,203,756.09 × 510,019.04
  4. Step 4: Simplify right side
    872,579.90x = 613,938,519,397.17
  5. Step 5: Solve for x
    x = 613,938,519,397.17/872,579.90
  6. Step 6: Final answer
    x = 703,590.04

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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.