Home / 1,147,872.06-1,583,635.59-717,988.86

Finding the Fourth Proportional to 1,147,872.06, 1,583,635.59 and 717,988.86

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Solution

The fourth proportional to 1,147,872.06, 1,583,635.59 and 717,988.86 is: 990,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,872.06 : 1,583,635.59 = 717,988.86 : x
  2. Step 2: Convert to fraction form
    1,147,872.06/1,583,635.59 = 717,988.86/x
  3. Step 3: Cross multiply
    1,147,872.06x = 1,583,635.59 × 717,988.86
  4. Step 4: Simplify right side
    1,147,872.06x = 1,137,032,711,919.53
  5. Step 5: Solve for x
    x = 1,137,032,711,919.53/1,147,872.06
  6. Step 6: Final answer
    x = 990,557.01

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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.