Home / 1,260,314.98-1,890,462.75-313,679.32

Finding the Fourth Proportional to 1,260,314.98, 1,890,462.75 and 313,679.32

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Solution

The fourth proportional to 1,260,314.98, 1,890,462.75 and 313,679.32 is: 470,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,314.98 : 1,890,462.75 = 313,679.32 : x
  2. Step 2: Convert to fraction form
    1,260,314.98/1,890,462.75 = 313,679.32/x
  3. Step 3: Cross multiply
    1,260,314.98x = 1,890,462.75 × 313,679.32
  4. Step 4: Simplify right side
    1,260,314.98x = 592,999,069,905.33
  5. Step 5: Solve for x
    x = 592,999,069,905.33/1,260,314.98
  6. Step 6: Final answer
    x = 470,516.56

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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.