Home / 849,410.42-1,172,186.63-467,437.21

Finding the Fourth Proportional to 849,410.42, 1,172,186.63 and 467,437.21

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Solution

The fourth proportional to 849,410.42, 1,172,186.63 and 467,437.21 is: 645,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,410.42 : 1,172,186.63 = 467,437.21 : x
  2. Step 2: Convert to fraction form
    849,410.42/1,172,186.63 = 467,437.21/x
  3. Step 3: Cross multiply
    849,410.42x = 1,172,186.63 × 467,437.21
  4. Step 4: Simplify right side
    849,410.42x = 547,923,647,926.50
  5. Step 5: Solve for x
    x = 547,923,647,926.50/849,410.42
  6. Step 6: Final answer
    x = 645,063.49

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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.