Home / 1,809,805.38-2,710,573.56-863,840.40

Finding the Fourth Proportional to 1,809,805.38, 2,710,573.56 and 863,840.40

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Solution

The fourth proportional to 1,809,805.38, 2,710,573.56 and 863,840.40 is: 1,293,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,805.38 : 2,710,573.56 = 863,840.40 : x
  2. Step 2: Convert to fraction form
    1,809,805.38/2,710,573.56 = 863,840.40/x
  3. Step 3: Cross multiply
    1,809,805.38x = 2,710,573.56 × 863,840.40
  4. Step 4: Simplify right side
    1,809,805.38x = 2,341,502,948,299.82
  5. Step 5: Solve for x
    x = 2,341,502,948,299.82/1,809,805.38
  6. Step 6: Final answer
    x = 1,293,787.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.