Home / 750,939.24-1,036,289.94-406,767.18

Finding the Fourth Proportional to 750,939.24, 1,036,289.94 and 406,767.18

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Solution

The fourth proportional to 750,939.24, 1,036,289.94 and 406,767.18 is: 561,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,939.24 : 1,036,289.94 = 406,767.18 : x
  2. Step 2: Convert to fraction form
    750,939.24/1,036,289.94 = 406,767.18/x
  3. Step 3: Cross multiply
    750,939.24x = 1,036,289.94 × 406,767.18
  4. Step 4: Simplify right side
    750,939.24x = 421,528,736,556.17
  5. Step 5: Solve for x
    x = 421,528,736,556.17/750,939.24
  6. Step 6: Final answer
    x = 561,335.34

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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.