Home / 917,529.91-1,266,290.55-555,153.55

Finding the Fourth Proportional to 917,529.91, 1,266,290.55 and 555,153.55

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Solution

The fourth proportional to 917,529.91, 1,266,290.55 and 555,153.55 is: 766,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,529.91 : 1,266,290.55 = 555,153.55 : x
  2. Step 2: Convert to fraction form
    917,529.91/1,266,290.55 = 555,153.55/x
  3. Step 3: Cross multiply
    917,529.91x = 1,266,290.55 × 555,153.55
  4. Step 4: Simplify right side
    917,529.91x = 702,985,694,163.95
  5. Step 5: Solve for x
    x = 702,985,694,163.95/917,529.91
  6. Step 6: Final answer
    x = 766,171.97

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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.