Home / 756,190.45-1,043,616.37-564,871.69

Finding the Fourth Proportional to 756,190.45, 1,043,616.37 and 564,871.69

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Solution

The fourth proportional to 756,190.45, 1,043,616.37 and 564,871.69 is: 779,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,190.45 : 1,043,616.37 = 564,871.69 : x
  2. Step 2: Convert to fraction form
    756,190.45/1,043,616.37 = 564,871.69/x
  3. Step 3: Cross multiply
    756,190.45x = 1,043,616.37 × 564,871.69
  4. Step 4: Simplify right side
    756,190.45x = 589,509,339,809.21
  5. Step 5: Solve for x
    x = 589,509,339,809.21/756,190.45
  6. Step 6: Final answer
    x = 779,577.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.