Home / 740,701.80-1,111,052.70-658,033.20

Finding the Fourth Proportional to 740,701.80, 1,111,052.70 and 658,033.20

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Solution

The fourth proportional to 740,701.80, 1,111,052.70 and 658,033.20 is: 987,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,701.80 : 1,111,052.70 = 658,033.20 : x
  2. Step 2: Convert to fraction form
    740,701.80/1,111,052.70 = 658,033.20/x
  3. Step 3: Cross multiply
    740,701.80x = 1,111,052.70 × 658,033.20
  4. Step 4: Simplify right side
    740,701.80x = 731,109,563,549.64
  5. Step 5: Solve for x
    x = 731,109,563,549.64/740,701.80
  6. Step 6: Final answer
    x = 987,049.80

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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.