Home / 752,995.08-1,129,161.04-353,749.32

Finding the Fourth Proportional to 752,995.08, 1,129,161.04 and 353,749.32

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Solution

The fourth proportional to 752,995.08, 1,129,161.04 and 353,749.32 is: 530,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,995.08 : 1,129,161.04 = 353,749.32 : x
  2. Step 2: Convert to fraction form
    752,995.08/1,129,161.04 = 353,749.32/x
  3. Step 3: Cross multiply
    752,995.08x = 1,129,161.04 × 353,749.32
  4. Step 4: Simplify right side
    752,995.08x = 399,439,950,070.49
  5. Step 5: Solve for x
    x = 399,439,950,070.49/752,995.08
  6. Step 6: Final answer
    x = 530,468.21

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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.