Home / 1,217,526.90-1,680,236.64-673,653.84

Finding the Fourth Proportional to 1,217,526.90, 1,680,236.64 and 673,653.84

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Solution

The fourth proportional to 1,217,526.90, 1,680,236.64 and 673,653.84 is: 929,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,526.90 : 1,680,236.64 = 673,653.84 : x
  2. Step 2: Convert to fraction form
    1,217,526.90/1,680,236.64 = 673,653.84/x
  3. Step 3: Cross multiply
    1,217,526.90x = 1,680,236.64 × 673,653.84
  4. Step 4: Simplify right side
    1,217,526.90x = 1,131,897,864,644.70
  5. Step 5: Solve for x
    x = 1,131,897,864,644.70/1,217,526.90
  6. Step 6: Final answer
    x = 929,669.70

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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.