Home / 917,359.03-1,265,997.48-509,462.67

Finding the Fourth Proportional to 917,359.03, 1,265,997.48 and 509,462.67

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Solution

The fourth proportional to 917,359.03, 1,265,997.48 and 509,462.67 is: 703,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,359.03 : 1,265,997.48 = 509,462.67 : x
  2. Step 2: Convert to fraction form
    917,359.03/1,265,997.48 = 509,462.67/x
  3. Step 3: Cross multiply
    917,359.03x = 1,265,997.48 × 509,462.67
  4. Step 4: Simplify right side
    917,359.03x = 644,978,456,374.07
  5. Step 5: Solve for x
    x = 644,978,456,374.07/917,359.03
  6. Step 6: Final answer
    x = 703,081.82

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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.