Home / 1,411,778.61-2,117,930.36-465,186.69

Finding the Fourth Proportional to 1,411,778.61, 2,117,930.36 and 465,186.69

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Solution

The fourth proportional to 1,411,778.61, 2,117,930.36 and 465,186.69 is: 697,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,778.61 : 2,117,930.36 = 465,186.69 : x
  2. Step 2: Convert to fraction form
    1,411,778.61/2,117,930.36 = 465,186.69/x
  3. Step 3: Cross multiply
    1,411,778.61x = 2,117,930.36 × 465,186.69
  4. Step 4: Simplify right side
    1,411,778.61x = 985,233,011,492.98
  5. Step 5: Solve for x
    x = 985,233,011,492.98/1,411,778.61
  6. Step 6: Final answer
    x = 697,866.51

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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.