Home / 1,217,526.34-1,680,235.87-673,653.28

Finding the Fourth Proportional to 1,217,526.34, 1,680,235.87 and 673,653.28

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Solution

The fourth proportional to 1,217,526.34, 1,680,235.87 and 673,653.28 is: 929,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,526.34 : 1,680,235.87 = 673,653.28 : x
  2. Step 2: Convert to fraction form
    1,217,526.34/1,680,235.87 = 673,653.28/x
  3. Step 3: Cross multiply
    1,217,526.34x = 1,680,235.87 × 673,653.28
  4. Step 4: Simplify right side
    1,217,526.34x = 1,131,896,399,114.43
  5. Step 5: Solve for x
    x = 1,131,896,399,114.43/1,217,526.34
  6. Step 6: Final answer
    x = 929,668.92

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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.