Home / 1,276,520.65-1,915,064.84-556,978.97

Finding the Fourth Proportional to 1,276,520.65, 1,915,064.84 and 556,978.97

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Solution

The fourth proportional to 1,276,520.65, 1,915,064.84 and 556,978.97 is: 835,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,520.65 : 1,915,064.84 = 556,978.97 : x
  2. Step 2: Convert to fraction form
    1,276,520.65/1,915,064.84 = 556,978.97/x
  3. Step 3: Cross multiply
    1,276,520.65x = 1,915,064.84 × 556,978.97
  4. Step 4: Simplify right side
    1,276,520.65x = 1,066,650,848,246.52
  5. Step 5: Solve for x
    x = 1,066,650,848,246.52/1,276,520.65
  6. Step 6: Final answer
    x = 835,592.32

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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.