Home / 717,198.48-1,075,486.68-243,756.72

Finding the Fourth Proportional to 717,198.48, 1,075,486.68 and 243,756.72

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Solution

The fourth proportional to 717,198.48, 1,075,486.68 and 243,756.72 is: 365,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,198.48 : 1,075,486.68 = 243,756.72 : x
  2. Step 2: Convert to fraction form
    717,198.48/1,075,486.68 = 243,756.72/x
  3. Step 3: Cross multiply
    717,198.48x = 1,075,486.68 × 243,756.72
  4. Step 4: Simplify right side
    717,198.48x = 262,157,105,520.49
  5. Step 5: Solve for x
    x = 262,157,105,520.49/717,198.48
  6. Step 6: Final answer
    x = 365,529.37

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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.