Home / 556,928.70-769,188.06-376,386.18

Finding the Fourth Proportional to 556,928.70, 769,188.06 and 376,386.18

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Solution

The fourth proportional to 556,928.70, 769,188.06 and 376,386.18 is: 519,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,928.70 : 769,188.06 = 376,386.18 : x
  2. Step 2: Convert to fraction form
    556,928.70/769,188.06 = 376,386.18/x
  3. Step 3: Cross multiply
    556,928.70x = 769,188.06 × 376,386.18
  4. Step 4: Simplify right side
    556,928.70x = 289,511,755,605.01
  5. Step 5: Solve for x
    x = 289,511,755,605.01/556,928.70
  6. Step 6: Final answer
    x = 519,836.30

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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.