Home / 919,644.88-1,379,536.30-245,711.10

Finding the Fourth Proportional to 919,644.88, 1,379,536.30 and 245,711.10

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Solution

The fourth proportional to 919,644.88, 1,379,536.30 and 245,711.10 is: 368,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,644.88 : 1,379,536.30 = 245,711.10 : x
  2. Step 2: Convert to fraction form
    919,644.88/1,379,536.30 = 245,711.10/x
  3. Step 3: Cross multiply
    919,644.88x = 1,379,536.30 × 245,711.10
  4. Step 4: Simplify right side
    919,644.88x = 338,967,381,762.93
  5. Step 5: Solve for x
    x = 338,967,381,762.93/919,644.88
  6. Step 6: Final answer
    x = 368,585.08

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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.