Home / 750,855.29-1,036,172.06-406,682.66

Finding the Fourth Proportional to 750,855.29, 1,036,172.06 and 406,682.66

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Solution

The fourth proportional to 750,855.29, 1,036,172.06 and 406,682.66 is: 561,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,855.29 : 1,036,172.06 = 406,682.66 : x
  2. Step 2: Convert to fraction form
    750,855.29/1,036,172.06 = 406,682.66/x
  3. Step 3: Cross multiply
    750,855.29x = 1,036,172.06 × 406,682.66
  4. Step 4: Simplify right side
    750,855.29x = 421,393,207,545.07
  5. Step 5: Solve for x
    x = 421,393,207,545.07/750,855.29
  6. Step 6: Final answer
    x = 561,217.60

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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.