Home / 950,498.84-1,311,688.14-520,795.28

Finding the Fourth Proportional to 950,498.84, 1,311,688.14 and 520,795.28

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Solution

The fourth proportional to 950,498.84, 1,311,688.14 and 520,795.28 is: 718,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,498.84 : 1,311,688.14 = 520,795.28 : x
  2. Step 2: Convert to fraction form
    950,498.84/1,311,688.14 = 520,795.28/x
  3. Step 3: Cross multiply
    950,498.84x = 1,311,688.14 × 520,795.28
  4. Step 4: Simplify right side
    950,498.84x = 683,120,992,143.98
  5. Step 5: Solve for x
    x = 683,120,992,143.98/950,498.84
  6. Step 6: Final answer
    x = 718,697.34

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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.