Home / 756,496.80-1,043,960.40-416,964.24

Finding the Fourth Proportional to 756,496.80, 1,043,960.40 and 416,964.24

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Solution

The fourth proportional to 756,496.80, 1,043,960.40 and 416,964.24 is: 575,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,496.80 : 1,043,960.40 = 416,964.24 : x
  2. Step 2: Convert to fraction form
    756,496.80/1,043,960.40 = 416,964.24/x
  3. Step 3: Cross multiply
    756,496.80x = 1,043,960.40 × 416,964.24
  4. Step 4: Simplify right side
    756,496.80x = 435,294,154,776.10
  5. Step 5: Solve for x
    x = 435,294,154,776.10/756,496.80
  6. Step 6: Final answer
    x = 575,407.79

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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.