Home / 732,121.20-1,097,663.40-282,668.40

Finding the Fourth Proportional to 732,121.20, 1,097,663.40 and 282,668.40

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Solution

The fourth proportional to 732,121.20, 1,097,663.40 and 282,668.40 is: 423,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,121.20 : 1,097,663.40 = 282,668.40 : x
  2. Step 2: Convert to fraction form
    732,121.20/1,097,663.40 = 282,668.40/x
  3. Step 3: Cross multiply
    732,121.20x = 1,097,663.40 × 282,668.40
  4. Step 4: Simplify right side
    732,121.20x = 310,274,757,016.56
  5. Step 5: Solve for x
    x = 310,274,757,016.56/732,121.20
  6. Step 6: Final answer
    x = 423,802.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.