Home / 757,643.24-1,136,649.98-252,203.24

Finding the Fourth Proportional to 757,643.24, 1,136,649.98 and 252,203.24

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Solution

The fourth proportional to 757,643.24, 1,136,649.98 and 252,203.24 is: 378,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,643.24 : 1,136,649.98 = 252,203.24 : x
  2. Step 2: Convert to fraction form
    757,643.24/1,136,649.98 = 252,203.24/x
  3. Step 3: Cross multiply
    757,643.24x = 1,136,649.98 × 252,203.24
  4. Step 4: Simplify right side
    757,643.24x = 286,666,807,701.94
  5. Step 5: Solve for x
    x = 286,666,807,701.94/757,643.24
  6. Step 6: Final answer
    x = 378,366.48

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Double scale
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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.