Home / 540,301.48-745,611.30-298,600.36

Finding the Fourth Proportional to 540,301.48, 745,611.30 and 298,600.36

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Solution

The fourth proportional to 540,301.48, 745,611.30 and 298,600.36 is: 412,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,301.48 : 745,611.30 = 298,600.36 : x
  2. Step 2: Convert to fraction form
    540,301.48/745,611.30 = 298,600.36/x
  3. Step 3: Cross multiply
    540,301.48x = 745,611.30 × 298,600.36
  4. Step 4: Simplify right side
    540,301.48x = 222,639,802,600.07
  5. Step 5: Solve for x
    x = 222,639,802,600.07/540,301.48
  6. Step 6: Final answer
    x = 412,065.88

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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.