Home / 872,581.40-1,203,758.16-510,020.54

Finding the Fourth Proportional to 872,581.40, 1,203,758.16 and 510,020.54

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Solution

The fourth proportional to 872,581.40, 1,203,758.16 and 510,020.54 is: 703,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,581.40 : 1,203,758.16 = 510,020.54 : x
  2. Step 2: Convert to fraction form
    872,581.40/1,203,758.16 = 510,020.54/x
  3. Step 3: Cross multiply
    872,581.40x = 1,203,758.16 × 510,020.54
  4. Step 4: Simplify right side
    872,581.40x = 613,941,380,773.82
  5. Step 5: Solve for x
    x = 613,941,380,773.82/872,581.40
  6. Step 6: Final answer
    x = 703,592.11

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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.