Home / 1,577,989.32-2,177,516.02-889,685.74

Finding the Fourth Proportional to 1,577,989.32, 2,177,516.02 and 889,685.74

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Solution

The fourth proportional to 1,577,989.32, 2,177,516.02 and 889,685.74 is: 1,227,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,989.32 : 2,177,516.02 = 889,685.74 : x
  2. Step 2: Convert to fraction form
    1,577,989.32/2,177,516.02 = 889,685.74/x
  3. Step 3: Cross multiply
    1,577,989.32x = 2,177,516.02 × 889,685.74
  4. Step 4: Simplify right side
    1,577,989.32x = 1,937,304,951,615.55
  5. Step 5: Solve for x
    x = 1,937,304,951,615.55/1,577,989.32
  6. Step 6: Final answer
    x = 1,227,704.73

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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.