Home / 750,704.46-1,035,972.71-406,543.06

Finding the Fourth Proportional to 750,704.46, 1,035,972.71 and 406,543.06

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Solution

The fourth proportional to 750,704.46, 1,035,972.71 and 406,543.06 is: 561,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,704.46 : 1,035,972.71 = 406,543.06 : x
  2. Step 2: Convert to fraction form
    750,704.46/1,035,972.71 = 406,543.06/x
  3. Step 3: Cross multiply
    750,704.46x = 1,035,972.71 × 406,543.06
  4. Step 4: Simplify right side
    750,704.46x = 421,167,515,599.89
  5. Step 5: Solve for x
    x = 421,167,515,599.89/750,704.46
  6. Step 6: Final answer
    x = 561,029.72

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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.