Home / 935,731.14-1,404,219.51-509,374.41

Finding the Fourth Proportional to 935,731.14, 1,404,219.51 and 509,374.41

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Solution

The fourth proportional to 935,731.14, 1,404,219.51 and 509,374.41 is: 764,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,731.14 : 1,404,219.51 = 509,374.41 : x
  2. Step 2: Convert to fraction form
    935,731.14/1,404,219.51 = 509,374.41/x
  3. Step 3: Cross multiply
    935,731.14x = 1,404,219.51 × 509,374.41
  4. Step 4: Simplify right side
    935,731.14x = 715,273,484,416.74
  5. Step 5: Solve for x
    x = 715,273,484,416.74/935,731.14
  6. Step 6: Final answer
    x = 764,400.64

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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.