Home / 917,244.44-1,265,754.76-509,372.16

Finding the Fourth Proportional to 917,244.44, 1,265,754.76 and 509,372.16

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Solution

The fourth proportional to 917,244.44, 1,265,754.76 and 509,372.16 is: 702,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,244.44 : 1,265,754.76 = 509,372.16 : x
  2. Step 2: Convert to fraction form
    917,244.44/1,265,754.76 = 509,372.16/x
  3. Step 3: Cross multiply
    917,244.44x = 1,265,754.76 × 509,372.16
  4. Step 4: Simplify right side
    917,244.44x = 644,740,236,131.48
  5. Step 5: Solve for x
    x = 644,740,236,131.48/917,244.44
  6. Step 6: Final answer
    x = 702,909.94

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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.