Home / 1,216,307.73-1,678,771.13-707,303.73

Finding the Fourth Proportional to 1,216,307.73, 1,678,771.13 and 707,303.73

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Solution

The fourth proportional to 1,216,307.73, 1,678,771.13 and 707,303.73 is: 976,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,307.73 : 1,678,771.13 = 707,303.73 : x
  2. Step 2: Convert to fraction form
    1,216,307.73/1,678,771.13 = 707,303.73/x
  3. Step 3: Cross multiply
    1,216,307.73x = 1,678,771.13 × 707,303.73
  4. Step 4: Simplify right side
    1,216,307.73x = 1,187,401,078,528.80
  5. Step 5: Solve for x
    x = 1,187,401,078,528.80/1,216,307.73
  6. Step 6: Final answer
    x = 976,234.10

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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.