Home / 556,947.56-769,214.54-376,405.25

Finding the Fourth Proportional to 556,947.56, 769,214.54 and 376,405.25

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Solution

The fourth proportional to 556,947.56, 769,214.54 and 376,405.25 is: 519,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,947.56 : 769,214.54 = 376,405.25 : x
  2. Step 2: Convert to fraction form
    556,947.56/769,214.54 = 376,405.25/x
  3. Step 3: Cross multiply
    556,947.56x = 769,214.54 × 376,405.25
  4. Step 4: Simplify right side
    556,947.56x = 289,536,391,232.34
  5. Step 5: Solve for x
    x = 289,536,391,232.34/556,947.56
  6. Step 6: Final answer
    x = 519,862.93

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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.