Home / 1,137,767.40-1,706,639.39-657,689.73

Finding the Fourth Proportional to 1,137,767.40, 1,706,639.39 and 657,689.73

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Solution

The fourth proportional to 1,137,767.40, 1,706,639.39 and 657,689.73 is: 986,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,767.40 : 1,706,639.39 = 657,689.73 : x
  2. Step 2: Convert to fraction form
    1,137,767.40/1,706,639.39 = 657,689.73/x
  3. Step 3: Cross multiply
    1,137,767.40x = 1,706,639.39 × 657,689.73
  4. Step 4: Simplify right side
    1,137,767.40x = 1,122,439,206,662.52
  5. Step 5: Solve for x
    x = 1,122,439,206,662.52/1,137,767.40
  6. Step 6: Final answer
    x = 986,527.84

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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.