Home / 1,376,089.47-2,060,991.57-656,937.03

Finding the Fourth Proportional to 1,376,089.47, 2,060,991.57 and 656,937.03

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Solution

The fourth proportional to 1,376,089.47, 2,060,991.57 and 656,937.03 is: 983,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,089.47 : 2,060,991.57 = 656,937.03 : x
  2. Step 2: Convert to fraction form
    1,376,089.47/2,060,991.57 = 656,937.03/x
  3. Step 3: Cross multiply
    1,376,089.47x = 2,060,991.57 × 656,937.03
  4. Step 4: Simplify right side
    1,376,089.47x = 1,353,941,680,850.84
  5. Step 5: Solve for x
    x = 1,353,941,680,850.84/1,376,089.47
  6. Step 6: Final answer
    x = 983,905.27

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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.