Home / 961,914.24-1,326,533.76-717,439.32

Finding the Fourth Proportional to 961,914.24, 1,326,533.76 and 717,439.32

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Solution

The fourth proportional to 961,914.24, 1,326,533.76 and 717,439.32 is: 989,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,914.24 : 1,326,533.76 = 717,439.32 : x
  2. Step 2: Convert to fraction form
    961,914.24/1,326,533.76 = 717,439.32/x
  3. Step 3: Cross multiply
    961,914.24x = 1,326,533.76 × 717,439.32
  4. Step 4: Simplify right side
    961,914.24x = 951,707,478,731.44
  5. Step 5: Solve for x
    x = 951,707,478,731.44/961,914.24
  6. Step 6: Final answer
    x = 989,389.12

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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.