Home / 935,528.61-1,291,028.39-505,807.72

Finding the Fourth Proportional to 935,528.61, 1,291,028.39 and 505,807.72

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Solution

The fourth proportional to 935,528.61, 1,291,028.39 and 505,807.72 is: 698,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,528.61 : 1,291,028.39 = 505,807.72 : x
  2. Step 2: Convert to fraction form
    935,528.61/1,291,028.39 = 505,807.72/x
  3. Step 3: Cross multiply
    935,528.61x = 1,291,028.39 × 505,807.72
  4. Step 4: Simplify right side
    935,528.61x = 653,012,120,644.56
  5. Step 5: Solve for x
    x = 653,012,120,644.56/935,528.61
  6. Step 6: Final answer
    x = 698,014.06

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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.