Home / 750,903.96-1,036,092.15-428,718.90

Finding the Fourth Proportional to 750,903.96, 1,036,092.15 and 428,718.90

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Solution

The fourth proportional to 750,903.96, 1,036,092.15 and 428,718.90 is: 591,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,903.96 : 1,036,092.15 = 428,718.90 : x
  2. Step 2: Convert to fraction form
    750,903.96/1,036,092.15 = 428,718.90/x
  3. Step 3: Cross multiply
    750,903.96x = 1,036,092.15 × 428,718.90
  4. Step 4: Simplify right side
    750,903.96x = 444,192,286,846.64
  5. Step 5: Solve for x
    x = 444,192,286,846.64/750,903.96
  6. Step 6: Final answer
    x = 591,543.41

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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.