Home / 1,190,084.64-1,782,079.20-657,013.92

Finding the Fourth Proportional to 1,190,084.64, 1,782,079.20 and 657,013.92

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Solution

The fourth proportional to 1,190,084.64, 1,782,079.20 and 657,013.92 is: 983,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,084.64 : 1,782,079.20 = 657,013.92 : x
  2. Step 2: Convert to fraction form
    1,190,084.64/1,782,079.20 = 657,013.92/x
  3. Step 3: Cross multiply
    1,190,084.64x = 1,782,079.20 × 657,013.92
  4. Step 4: Simplify right side
    1,190,084.64x = 1,170,850,840,942.46
  5. Step 5: Solve for x
    x = 1,170,850,840,942.46/1,190,084.64
  6. Step 6: Final answer
    x = 983,838.29

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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.