Home / 882,738.02-1,322,435.79-521,828.35

Finding the Fourth Proportional to 882,738.02, 1,322,435.79 and 521,828.35

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Solution

The fourth proportional to 882,738.02, 1,322,435.79 and 521,828.35 is: 781,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,738.02 : 1,322,435.79 = 521,828.35 : x
  2. Step 2: Convert to fraction form
    882,738.02/1,322,435.79 = 521,828.35/x
  3. Step 3: Cross multiply
    882,738.02x = 1,322,435.79 × 521,828.35
  4. Step 4: Simplify right side
    882,738.02x = 690,084,482,970.56
  5. Step 5: Solve for x
    x = 690,084,482,970.56/882,738.02
  6. Step 6: Final answer
    x = 781,754.57

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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.