Home / 1,131,307.69-1,696,516.85-411,478.51

Finding the Fourth Proportional to 1,131,307.69, 1,696,516.85 and 411,478.51

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Solution

The fourth proportional to 1,131,307.69, 1,696,516.85 and 411,478.51 is: 617,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,307.69 : 1,696,516.85 = 411,478.51 : x
  2. Step 2: Convert to fraction form
    1,131,307.69/1,696,516.85 = 411,478.51/x
  3. Step 3: Cross multiply
    1,131,307.69x = 1,696,516.85 × 411,478.51
  4. Step 4: Simplify right side
    1,131,307.69x = 698,080,227,811.79
  5. Step 5: Solve for x
    x = 698,080,227,811.79/1,131,307.69
  6. Step 6: Final answer
    x = 617,056.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.