Home / 1,117,513.69-1,676,520.41-407,541.73

Finding the Fourth Proportional to 1,117,513.69, 1,676,520.41 and 407,541.73

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Solution

The fourth proportional to 1,117,513.69, 1,676,520.41 and 407,541.73 is: 611,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,513.69 : 1,676,520.41 = 407,541.73 : x
  2. Step 2: Convert to fraction form
    1,117,513.69/1,676,520.41 = 407,541.73/x
  3. Step 3: Cross multiply
    1,117,513.69x = 1,676,520.41 × 407,541.73
  4. Step 4: Simplify right side
    1,117,513.69x = 683,252,028,271.71
  5. Step 5: Solve for x
    x = 683,252,028,271.71/1,117,513.69
  6. Step 6: Final answer
    x = 611,403.72

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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.