Home / 964,891.40-1,331,709.52-535,309.92

Finding the Fourth Proportional to 964,891.40, 1,331,709.52 and 535,309.92

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Solution

The fourth proportional to 964,891.40, 1,331,709.52 and 535,309.92 is: 738,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,891.40 : 1,331,709.52 = 535,309.92 : x
  2. Step 2: Convert to fraction form
    964,891.40/1,331,709.52 = 535,309.92/x
  3. Step 3: Cross multiply
    964,891.40x = 1,331,709.52 × 535,309.92
  4. Step 4: Simplify right side
    964,891.40x = 712,877,316,614.44
  5. Step 5: Solve for x
    x = 712,877,316,614.44/964,891.40
  6. Step 6: Final answer
    x = 738,816.12

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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.