Home / 756,275.32-1,043,646.55-412,114.29

Finding the Fourth Proportional to 756,275.32, 1,043,646.55 and 412,114.29

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Solution

The fourth proportional to 756,275.32, 1,043,646.55 and 412,114.29 is: 568,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,275.32 : 1,043,646.55 = 412,114.29 : x
  2. Step 2: Convert to fraction form
    756,275.32/1,043,646.55 = 412,114.29/x
  3. Step 3: Cross multiply
    756,275.32x = 1,043,646.55 × 412,114.29
  4. Step 4: Simplify right side
    756,275.32x = 430,101,656,964.20
  5. Step 5: Solve for x
    x = 430,101,656,964.20/756,275.32
  6. Step 6: Final answer
    x = 568,710.42

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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.