Home / 913,232.45-1,260,262.29-505,351.46

Finding the Fourth Proportional to 913,232.45, 1,260,262.29 and 505,351.46

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Solution

The fourth proportional to 913,232.45, 1,260,262.29 and 505,351.46 is: 697,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,232.45 : 1,260,262.29 = 505,351.46 : x
  2. Step 2: Convert to fraction form
    913,232.45/1,260,262.29 = 505,351.46/x
  3. Step 3: Cross multiply
    913,232.45x = 1,260,262.29 × 505,351.46
  4. Step 4: Simplify right side
    913,232.45x = 636,875,381,933.13
  5. Step 5: Solve for x
    x = 636,875,381,933.13/913,232.45
  6. Step 6: Final answer
    x = 697,385.85

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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.