Home / 1,439,728-1,986,824.80-836,154.88

Finding the Fourth Proportional to 1,439,728, 1,986,824.80 and 836,154.88

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Solution

The fourth proportional to 1,439,728, 1,986,824.80 and 836,154.88 is: 1,153,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,728 : 1,986,824.80 = 836,154.88 : x
  2. Step 2: Convert to fraction form
    1,439,728/1,986,824.80 = 836,154.88/x
  3. Step 3: Cross multiply
    1,439,728x = 1,986,824.80 × 836,154.88
  4. Step 4: Simplify right side
    1,439,728x = 1,661,293,252,225.02
  5. Step 5: Solve for x
    x = 1,661,293,252,225.02/1,439,728
  6. Step 6: Final answer
    x = 1,153,893.83

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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.