Home / 1,217,529.59-1,680,240.36-673,656.53

Finding the Fourth Proportional to 1,217,529.59, 1,680,240.36 and 673,656.53

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Solution

The fourth proportional to 1,217,529.59, 1,680,240.36 and 673,656.53 is: 929,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,529.59 : 1,680,240.36 = 673,656.53 : x
  2. Step 2: Convert to fraction form
    1,217,529.59/1,680,240.36 = 673,656.53/x
  3. Step 3: Cross multiply
    1,217,529.59x = 1,680,240.36 × 673,656.53
  4. Step 4: Simplify right side
    1,217,529.59x = 1,131,904,890,483.55
  5. Step 5: Solve for x
    x = 1,131,904,890,483.55/1,217,529.59
  6. Step 6: Final answer
    x = 929,673.41

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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.