Home / 732,174.91-1,097,841.75-390,197.23

Finding the Fourth Proportional to 732,174.91, 1,097,841.75 and 390,197.23

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Solution

The fourth proportional to 732,174.91, 1,097,841.75 and 390,197.23 is: 585,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,174.91 : 1,097,841.75 = 390,197.23 : x
  2. Step 2: Convert to fraction form
    732,174.91/1,097,841.75 = 390,197.23/x
  3. Step 3: Cross multiply
    732,174.91x = 1,097,841.75 × 390,197.23
  4. Step 4: Simplify right side
    732,174.91x = 428,374,809,828.35
  5. Step 5: Solve for x
    x = 428,374,809,828.35/732,174.91
  6. Step 6: Final answer
    x = 585,071.69

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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.