Home / 1,217,770.63-1,680,526.74-673,943.92

Finding the Fourth Proportional to 1,217,770.63, 1,680,526.74 and 673,943.92

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Solution

The fourth proportional to 1,217,770.63, 1,680,526.74 and 673,943.92 is: 930,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,770.63 : 1,680,526.74 = 673,943.92 : x
  2. Step 2: Convert to fraction form
    1,217,770.63/1,680,526.74 = 673,943.92/x
  3. Step 3: Cross multiply
    1,217,770.63x = 1,680,526.74 × 673,943.92
  4. Step 4: Simplify right side
    1,217,770.63x = 1,132,580,770,417.79
  5. Step 5: Solve for x
    x = 1,132,580,770,417.79/1,217,770.63
  6. Step 6: Final answer
    x = 930,044.42

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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.