Home / 1,217,715.04-1,680,421.60-673,850.46

Finding the Fourth Proportional to 1,217,715.04, 1,680,421.60 and 673,850.46

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Solution

The fourth proportional to 1,217,715.04, 1,680,421.60 and 673,850.46 is: 929,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,715.04 : 1,680,421.60 = 673,850.46 : x
  2. Step 2: Convert to fraction form
    1,217,715.04/1,680,421.60 = 673,850.46/x
  3. Step 3: Cross multiply
    1,217,715.04x = 1,680,421.60 × 673,850.46
  4. Step 4: Simplify right side
    1,217,715.04x = 1,132,352,868,153.94
  5. Step 5: Solve for x
    x = 1,132,352,868,153.94/1,217,715.04
  6. Step 6: Final answer
    x = 929,899.71

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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.