Home / 776,524.57-1,071,438.57-454,171.70

Finding the Fourth Proportional to 776,524.57, 1,071,438.57 and 454,171.70

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Solution

The fourth proportional to 776,524.57, 1,071,438.57 and 454,171.70 is: 626,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,524.57 : 1,071,438.57 = 454,171.70 : x
  2. Step 2: Convert to fraction form
    776,524.57/1,071,438.57 = 454,171.70/x
  3. Step 3: Cross multiply
    776,524.57x = 1,071,438.57 × 454,171.70
  4. Step 4: Simplify right side
    776,524.57x = 486,617,079,461.07
  5. Step 5: Solve for x
    x = 486,617,079,461.07/776,524.57
  6. Step 6: Final answer
    x = 626,660.25

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1.5x scale

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.