Home / 757,816.11-1,045,811.55-413,672.43

Finding the Fourth Proportional to 757,816.11, 1,045,811.55 and 413,672.43

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Solution

The fourth proportional to 757,816.11, 1,045,811.55 and 413,672.43 is: 570,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,816.11 : 1,045,811.55 = 413,672.43 : x
  2. Step 2: Convert to fraction form
    757,816.11/1,045,811.55 = 413,672.43/x
  3. Step 3: Cross multiply
    757,816.11x = 1,045,811.55 × 413,672.43
  4. Step 4: Simplify right side
    757,816.11x = 432,623,405,210.57
  5. Step 5: Solve for x
    x = 432,623,405,210.57/757,816.11
  6. Step 6: Final answer
    x = 570,881.77

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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.