Home / 671,403.69-1,007,116.18-373,775.97

Finding the Fourth Proportional to 671,403.69, 1,007,116.18 and 373,775.97

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Solution

The fourth proportional to 671,403.69, 1,007,116.18 and 373,775.97 is: 560,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,403.69 : 1,007,116.18 = 373,775.97 : x
  2. Step 2: Convert to fraction form
    671,403.69/1,007,116.18 = 373,775.97/x
  3. Step 3: Cross multiply
    671,403.69x = 1,007,116.18 × 373,775.97
  4. Step 4: Simplify right side
    671,403.69x = 376,435,827,082.20
  5. Step 5: Solve for x
    x = 376,435,827,082.20/671,403.69
  6. Step 6: Final answer
    x = 560,669.88

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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.