Home / 836,815.12-1,154,816.64-454,841.92

Finding the Fourth Proportional to 836,815.12, 1,154,816.64 and 454,841.92

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Solution

The fourth proportional to 836,815.12, 1,154,816.64 and 454,841.92 is: 627,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,815.12 : 1,154,816.64 = 454,841.92 : x
  2. Step 2: Convert to fraction form
    836,815.12/1,154,816.64 = 454,841.92/x
  3. Step 3: Cross multiply
    836,815.12x = 1,154,816.64 × 454,841.92
  4. Step 4: Simplify right side
    836,815.12x = 525,259,017,785.55
  5. Step 5: Solve for x
    x = 525,259,017,785.55/836,815.12
  6. Step 6: Final answer
    x = 627,688.25

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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.