Home / 1,776,007.80-2,664,011.70-653,844.60

Finding the Fourth Proportional to 1,776,007.80, 2,664,011.70 and 653,844.60

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Solution

The fourth proportional to 1,776,007.80, 2,664,011.70 and 653,844.60 is: 980,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,007.80 : 2,664,011.70 = 653,844.60 : x
  2. Step 2: Convert to fraction form
    1,776,007.80/2,664,011.70 = 653,844.60/x
  3. Step 3: Cross multiply
    1,776,007.80x = 2,664,011.70 × 653,844.60
  4. Step 4: Simplify right side
    1,776,007.80x = 1,741,849,664,381.82
  5. Step 5: Solve for x
    x = 1,741,849,664,381.82/1,776,007.80
  6. Step 6: Final answer
    x = 980,766.90

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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.