Home / 1,217,599.46-1,680,172.82-824,332.44

Finding the Fourth Proportional to 1,217,599.46, 1,680,172.82 and 824,332.44

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Solution

The fourth proportional to 1,217,599.46, 1,680,172.82 and 824,332.44 is: 1,137,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,599.46 : 1,680,172.82 = 824,332.44 : x
  2. Step 2: Convert to fraction form
    1,217,599.46/1,680,172.82 = 824,332.44/x
  3. Step 3: Cross multiply
    1,217,599.46x = 1,680,172.82 × 824,332.44
  4. Step 4: Simplify right side
    1,217,599.46x = 1,385,020,960,332.28
  5. Step 5: Solve for x
    x = 1,385,020,960,332.28/1,217,599.46
  6. Step 6: Final answer
    x = 1,137,501.29

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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.