Home / 473,438.30-709,811.85-192,811.10

Finding the Fourth Proportional to 473,438.30, 709,811.85 and 192,811.10

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Solution

The fourth proportional to 473,438.30, 709,811.85 and 192,811.10 is: 289,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,438.30 : 709,811.85 = 192,811.10 : x
  2. Step 2: Convert to fraction form
    473,438.30/709,811.85 = 192,811.10/x
  3. Step 3: Cross multiply
    473,438.30x = 709,811.85 × 192,811.10
  4. Step 4: Simplify right side
    473,438.30x = 136,859,603,591.54
  5. Step 5: Solve for x
    x = 136,859,603,591.54/473,438.30
  6. Step 6: Final answer
    x = 289,075.90

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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.