Home / 756,281.07-1,043,654.49-412,120.04

Finding the Fourth Proportional to 756,281.07, 1,043,654.49 and 412,120.04

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Solution

The fourth proportional to 756,281.07, 1,043,654.49 and 412,120.04 is: 568,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,281.07 : 1,043,654.49 = 412,120.04 : x
  2. Step 2: Convert to fraction form
    756,281.07/1,043,654.49 = 412,120.04/x
  3. Step 3: Cross multiply
    756,281.07x = 1,043,654.49 × 412,120.04
  4. Step 4: Simplify right side
    756,281.07x = 430,110,924,946.71
  5. Step 5: Solve for x
    x = 430,110,924,946.71/756,281.07
  6. Step 6: Final answer
    x = 568,718.35

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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.