Home / 756,349.65-1,043,748.59-412,188.35

Finding the Fourth Proportional to 756,349.65, 1,043,748.59 and 412,188.35

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Solution

The fourth proportional to 756,349.65, 1,043,748.59 and 412,188.35 is: 568,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,349.65 : 1,043,748.59 = 412,188.35 : x
  2. Step 2: Convert to fraction form
    756,349.65/1,043,748.59 = 412,188.35/x
  3. Step 3: Cross multiply
    756,349.65x = 1,043,748.59 × 412,188.35
  4. Step 4: Simplify right side
    756,349.65x = 430,221,001,847.24
  5. Step 5: Solve for x
    x = 430,221,001,847.24/756,349.65
  6. Step 6: Final answer
    x = 568,812.32

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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.