Home / 1,117,633.67-1,676,700.48-407,661.71

Finding the Fourth Proportional to 1,117,633.67, 1,676,700.48 and 407,661.71

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Solution

The fourth proportional to 1,117,633.67, 1,676,700.48 and 407,661.71 is: 611,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,633.67 : 1,676,700.48 = 407,661.71 : x
  2. Step 2: Convert to fraction form
    1,117,633.67/1,676,700.48 = 407,661.71/x
  3. Step 3: Cross multiply
    1,117,633.67x = 1,676,700.48 × 407,661.71
  4. Step 4: Simplify right side
    1,117,633.67x = 683,526,587,497.64
  5. Step 5: Solve for x
    x = 683,526,587,497.64/1,117,633.67
  6. Step 6: Final answer
    x = 611,583.74

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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.