Home / 756,373.64-1,043,795.76-412,209.65

Finding the Fourth Proportional to 756,373.64, 1,043,795.76 and 412,209.65

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Solution

The fourth proportional to 756,373.64, 1,043,795.76 and 412,209.65 is: 568,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,373.64 : 1,043,795.76 = 412,209.65 : x
  2. Step 2: Convert to fraction form
    756,373.64/1,043,795.76 = 412,209.65/x
  3. Step 3: Cross multiply
    756,373.64x = 1,043,795.76 × 412,209.65
  4. Step 4: Simplify right side
    756,373.64x = 430,262,679,682.11
  5. Step 5: Solve for x
    x = 430,262,679,682.11/756,373.64
  6. Step 6: Final answer
    x = 568,849.39

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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.