Home / 513,205.70-769,588.37-176,280.26

Finding the Fourth Proportional to 513,205.70, 769,588.37 and 176,280.26

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Solution

The fourth proportional to 513,205.70, 769,588.37 and 176,280.26 is: 264,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,205.70 : 769,588.37 = 176,280.26 : x
  2. Step 2: Convert to fraction form
    513,205.70/769,588.37 = 176,280.26/x
  3. Step 3: Cross multiply
    513,205.70x = 769,588.37 × 176,280.26
  4. Step 4: Simplify right side
    513,205.70x = 135,663,237,075.18
  5. Step 5: Solve for x
    x = 135,663,237,075.18/513,205.70
  6. Step 6: Final answer
    x = 264,344.76

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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.