Home / 758,048.13-1,136,255.72-402,704.37

Finding the Fourth Proportional to 758,048.13, 1,136,255.72 and 402,704.37

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Solution

The fourth proportional to 758,048.13, 1,136,255.72 and 402,704.37 is: 603,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,048.13 : 1,136,255.72 = 402,704.37 : x
  2. Step 2: Convert to fraction form
    758,048.13/1,136,255.72 = 402,704.37/x
  3. Step 3: Cross multiply
    758,048.13x = 1,136,255.72 × 402,704.37
  4. Step 4: Simplify right side
    758,048.13x = 457,575,141,867.98
  5. Step 5: Solve for x
    x = 457,575,141,867.98/758,048.13
  6. Step 6: Final answer
    x = 603,622.81

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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.