Home / 952,145.90-1,313,957.28-522,416.80

Finding the Fourth Proportional to 952,145.90, 1,313,957.28 and 522,416.80

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Solution

The fourth proportional to 952,145.90, 1,313,957.28 and 522,416.80 is: 720,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,145.90 : 1,313,957.28 = 522,416.80 : x
  2. Step 2: Convert to fraction form
    952,145.90/1,313,957.28 = 522,416.80/x
  3. Step 3: Cross multiply
    952,145.90x = 1,313,957.28 × 522,416.80
  4. Step 4: Simplify right side
    952,145.90x = 686,433,357,554.30
  5. Step 5: Solve for x
    x = 686,433,357,554.30/952,145.90
  6. Step 6: Final answer
    x = 720,932.96

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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.