Home / 1,217,600.71-1,680,174.55-824,333.69

Finding the Fourth Proportional to 1,217,600.71, 1,680,174.55 and 824,333.69

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Solution

The fourth proportional to 1,217,600.71, 1,680,174.55 and 824,333.69 is: 1,137,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,600.71 : 1,680,174.55 = 824,333.69 : x
  2. Step 2: Convert to fraction form
    1,217,600.71/1,680,174.55 = 824,333.69/x
  3. Step 3: Cross multiply
    1,217,600.71x = 1,680,174.55 × 824,333.69
  4. Step 4: Simplify right side
    1,217,600.71x = 1,385,024,482,523.92
  5. Step 5: Solve for x
    x = 1,385,024,482,523.92/1,217,600.71
  6. Step 6: Final answer
    x = 1,137,503.02

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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.