Home / 1,117,631.11-1,676,696.65-407,659.15

Finding the Fourth Proportional to 1,117,631.11, 1,676,696.65 and 407,659.15

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Solution

The fourth proportional to 1,117,631.11, 1,676,696.65 and 407,659.15 is: 611,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,631.11 : 1,676,696.65 = 407,659.15 : x
  2. Step 2: Convert to fraction form
    1,117,631.11/1,676,696.65 = 407,659.15/x
  3. Step 3: Cross multiply
    1,117,631.11x = 1,676,696.65 × 407,659.15
  4. Step 4: Simplify right side
    1,117,631.11x = 683,520,725,935.96
  5. Step 5: Solve for x
    x = 683,520,725,935.96/1,117,631.11
  6. Step 6: Final answer
    x = 611,579.90

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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.