Home / 757,534.52-1,136,409.78-251,928.92

Finding the Fourth Proportional to 757,534.52, 1,136,409.78 and 251,928.92

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Solution

The fourth proportional to 757,534.52, 1,136,409.78 and 251,928.92 is: 377,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,534.52 : 1,136,409.78 = 251,928.92 : x
  2. Step 2: Convert to fraction form
    757,534.52/1,136,409.78 = 251,928.92/x
  3. Step 3: Cross multiply
    757,534.52x = 1,136,409.78 × 251,928.92
  4. Step 4: Simplify right side
    757,534.52x = 286,294,488,552.84
  5. Step 5: Solve for x
    x = 286,294,488,552.84/757,534.52
  6. Step 6: Final answer
    x = 377,929.30

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1.5x scale

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.