Home / 950,315.18-1,311,436.54-520,585.94

Finding the Fourth Proportional to 950,315.18, 1,311,436.54 and 520,585.94

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Solution

The fourth proportional to 950,315.18, 1,311,436.54 and 520,585.94 is: 718,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,315.18 : 1,311,436.54 = 520,585.94 : x
  2. Step 2: Convert to fraction form
    950,315.18/1,311,436.54 = 520,585.94/x
  3. Step 3: Cross multiply
    950,315.18x = 1,311,436.54 × 520,585.94
  4. Step 4: Simplify right side
    950,315.18x = 682,715,423,926.25
  5. Step 5: Solve for x
    x = 682,715,423,926.25/950,315.18
  6. Step 6: Final answer
    x = 718,409.47

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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.