Home / 950,807.85-1,312,107.30-521,086.95

Finding the Fourth Proportional to 950,807.85, 1,312,107.30 and 521,086.95

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Solution

The fourth proportional to 950,807.85, 1,312,107.30 and 521,086.95 is: 719,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,807.85 : 1,312,107.30 = 521,086.95 : x
  2. Step 2: Convert to fraction form
    950,807.85/1,312,107.30 = 521,086.95/x
  3. Step 3: Cross multiply
    950,807.85x = 1,312,107.30 × 521,086.95
  4. Step 4: Simplify right side
    950,807.85x = 683,721,991,029.74
  5. Step 5: Solve for x
    x = 683,721,991,029.74/950,807.85
  6. Step 6: Final answer
    x = 719,095.86

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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.