Home / 479,554.80-661,710.19-275,566.25

Finding the Fourth Proportional to 479,554.80, 661,710.19 and 275,566.25

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Solution

The fourth proportional to 479,554.80, 661,710.19 and 275,566.25 is: 380,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,554.80 : 661,710.19 = 275,566.25 : x
  2. Step 2: Convert to fraction form
    479,554.80/661,710.19 = 275,566.25/x
  3. Step 3: Cross multiply
    479,554.80x = 661,710.19 × 275,566.25
  4. Step 4: Simplify right side
    479,554.80x = 182,344,996,352.10
  5. Step 5: Solve for x
    x = 182,344,996,352.10/479,554.80
  6. Step 6: Final answer
    x = 380,238.08

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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.