Home / 836,708.09-1,154,650.79-454,737.60

Finding the Fourth Proportional to 836,708.09, 1,154,650.79 and 454,737.60

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Solution

The fourth proportional to 836,708.09, 1,154,650.79 and 454,737.60 is: 627,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,708.09 : 1,154,650.79 = 454,737.60 : x
  2. Step 2: Convert to fraction form
    836,708.09/1,154,650.79 = 454,737.60/x
  3. Step 3: Cross multiply
    836,708.09x = 1,154,650.79 × 454,737.60
  4. Step 4: Simplify right side
    836,708.09x = 525,063,130,219.55
  5. Step 5: Solve for x
    x = 525,063,130,219.55/836,708.09
  6. Step 6: Final answer
    x = 627,534.43

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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.