Home / 540,022.14-745,443-356,231.52

Finding the Fourth Proportional to 540,022.14, 745,443 and 356,231.52

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Solution

The fourth proportional to 540,022.14, 745,443 and 356,231.52 is: 491,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,022.14 : 745,443 = 356,231.52 : x
  2. Step 2: Convert to fraction form
    540,022.14/745,443 = 356,231.52/x
  3. Step 3: Cross multiply
    540,022.14x = 745,443 × 356,231.52
  4. Step 4: Simplify right side
    540,022.14x = 265,550,292,963.36
  5. Step 5: Solve for x
    x = 265,550,292,963.36/540,022.14
  6. Step 6: Final answer
    x = 491,739.64

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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.