Home / 935,621.57-1,291,158.68-505,901.58

Finding the Fourth Proportional to 935,621.57, 1,291,158.68 and 505,901.58

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Solution

The fourth proportional to 935,621.57, 1,291,158.68 and 505,901.58 is: 698,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,621.57 : 1,291,158.68 = 505,901.58 : x
  2. Step 2: Convert to fraction form
    935,621.57/1,291,158.68 = 505,901.58/x
  3. Step 3: Cross multiply
    935,621.57x = 1,291,158.68 × 505,901.58
  4. Step 4: Simplify right side
    935,621.57x = 653,199,213,713.21
  5. Step 5: Solve for x
    x = 653,199,213,713.21/935,621.57
  6. Step 6: Final answer
    x = 698,144.68

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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.