Home / 520,093.02-717,742.58-293,738.52

Finding the Fourth Proportional to 520,093.02, 717,742.58 and 293,738.52

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Solution

The fourth proportional to 520,093.02, 717,742.58 and 293,738.52 is: 405,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,093.02 : 717,742.58 = 293,738.52 : x
  2. Step 2: Convert to fraction form
    520,093.02/717,742.58 = 293,738.52/x
  3. Step 3: Cross multiply
    520,093.02x = 717,742.58 × 293,738.52
  4. Step 4: Simplify right side
    520,093.02x = 210,828,643,190.18
  5. Step 5: Solve for x
    x = 210,828,643,190.18/520,093.02
  6. Step 6: Final answer
    x = 405,367.18

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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.